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      <lastmod>2026-11-02T20:21:38+00:00</lastmod>
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      <lastmod>2026-11-02T20:21:38+00:00</lastmod>
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      <lastmod>2026-11-02T22:37:08+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/animation-81-polygon-transformation/ssss7nxm</loc>
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      <lastmod>2026-11-02T22:37:08+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/parabola-plotter/ssss7nxj</loc>
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      <lastmod>2026-11-03T03:33:05+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/parabola-plotter/ssss7nxj</loc>
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      <lastmod>2026-11-03T03:33:05+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/median-median-line-vs-lsrl-for-three-points/ssss7nxp</loc>
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      <lastmod>2026-11-02T19:03:02+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/median-median-line-vs-lsrl-for-three-points/ssss7nxp</loc>
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      <lastmod>2026-11-02T19:03:02+00:00</lastmod>
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      <lastmod>2026-11-03T02:09:41+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/volume-relationship-between-pyramid-and-prism/ssss7nxw</loc>
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      <lastmod>2026-11-03T02:09:41+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/create-your-own-rotational-symmetry-order-4/ssss7nx6</loc>
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      <lastmod>2026-11-02T22:17:26+00:00</lastmod>
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      <lastmod>2026-11-02T22:17:26+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/nine-point-circle-midpoints-feet-of-altitudes-and-euler-points-on-a-common-ci/ssss7nos</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/nine-point-circle-midpoints-feet-of-altitudes-and-euler-points-on-a-common-ci/ssss7nos"/>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/nine-point-circle-midpoints-feet-of-altitudes-and-euler-points-on-a-common-ci/ssss7nos"/>
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      <loc>https://www.mathplotai.com/zh/case/investigating-trapezoid-properties-constructing-an-isosceles-trapezoid/ssss7no7</loc>
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      <loc>https://www.mathplotai.com/en/case/investigating-trapezoid-properties-constructing-an-isosceles-trapezoid/ssss7no7</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/investigating-trapezoid-properties-constructing-an-isosceles-trapezoid/ssss7no7"/>
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      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/investigating-trapezoid-properties-constructing-an-isosceles-trapezoid/ssss7no7"/>
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      <loc>https://www.mathplotai.com/en/case/pyramid-construction-demo-by-a-schwing/ssss7non</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/pyramid-construction-demo-by-a-schwing/ssss7non"/>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/geogebra-demo-averaging-two-numbers/ssss7no2"/>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/geogebra-demo-averaging-two-numbers/ssss7no2"/>
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      <lastmod>2026-11-02T20:12:00+00:00</lastmod>
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      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/points-of-concurrency-orthocenter-circumcenter-incenter-investigation/ssss7no0"/>
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      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/rectangular-pyramid-by-andrew-hacker/ssss7nod"/>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/parabola-locus-demonstration-by-alicja-w-och/ssss7nof"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/parabola-locus-demonstration-by-alicja-w-och/ssss7nof"/>
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      <lastmod>2026-11-03T00:40:41+00:00</lastmod>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/parabola-locus-demonstration-by-alicja-w-och/ssss7nof"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/parabola-locus-demonstration-by-alicja-w-och/ssss7nof"/>
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      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/visualizing-the-definition-of-a-radian-from-circle-to-angle/ssss7no8"/>
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      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/visualizing-the-definition-of-a-radian-from-circle-to-angle/ssss7no8"/>
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      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/standard-form-hyperbola/ssss7no5"/>
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      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/standard-form-hyperbola/ssss7no5"/>
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      <lastmod>2026-11-02T22:37:37+00:00</lastmod>
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    <url>
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    <url>
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      <loc>https://www.mathplotai.com/zh/case/prism-net-by-katie-davidson/ssss720j</loc>
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      <loc>https://www.mathplotai.com/zh/case/vectors-for-free-body-diagrams/ssss720e</loc>
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      <loc>https://www.mathplotai.com/en/case/vectors-for-free-body-diagrams/ssss720e</loc>
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      <lastmod>2026-11-02T22:29:24+00:00</lastmod>
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      <lastmod>2026-11-03T02:16:11+00:00</lastmod>
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      <lastmod>2026-11-02T20:16:18+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/similar-triangle-area/ssss720x</loc>
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      <loc>https://www.mathplotai.com/en/case/similar-triangle-area/ssss720x</loc>
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      <loc>https://www.mathplotai.com/zh/case/dilation-grid-2-interactive-polygon-scaling-practice/ssss7k70</loc>
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      <loc>https://www.mathplotai.com/en/case/forms-of-a-quadratic-equation/ssss7k0h</loc>
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      <lastmod>2026-11-03T01:27:12+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/perpendicular-lines-by-mlove/ssss7kd7</loc>
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      <lastmod>2026-11-02T20:57:31+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/aa-similarity-theorem-by-mr-mundey/ssss7kd2</loc>
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      <lastmod>2026-11-03T02:52:51+00:00</lastmod>
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      <lastmod>2026-11-02T23:08:03+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/triangle-inequalities-by-jm/ssss7kdk</loc>
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      <lastmod>2026-11-02T23:08:03+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/partition-line-segments/ssss7kdz</loc>
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      <loc>https://www.mathplotai.com/en/case/dilation-king-tut-s-treasure/ssss7kdo</loc>
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      <loc>https://www.mathplotai.com/en/case/transversal-angles/ssss7kfn</loc>
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      <lastmod>2026-11-03T03:35:38+00:00</lastmod>
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      <lastmod>2026-11-02T22:48:05+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/the-m-machine-a-geometric-interpretation-of-multiplication/ssss7kfo</loc>
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      <lastmod>2026-11-02T22:08:56+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/function-graphing-by-david-wees/ssss7kbb</loc>
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      <loc>https://www.mathplotai.com/en/case/function-graphing-by-david-wees/ssss7kbb</loc>
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      <loc>https://www.mathplotai.com/zh/case/similar-right-triangles-ii/ssss7kb3</loc>
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      <loc>https://www.mathplotai.com/zh/case/linear-programming-geometric-transformations-demo/ssss7kbw</loc>
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      <loc>https://www.mathplotai.com/en/case/linear-programming-geometric-transformations-demo/ssss7kbw</loc>
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      <loc>https://www.mathplotai.com/en/case/function-curve-and-derivative-transformations/ssss7kb6</loc>
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      <loc>https://www.mathplotai.com/en/case/multiply-by-a-transformations-of-exponential-functions/ssss7kbe</loc>
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      <loc>https://www.mathplotai.com/zh/case/line-integrals-arc-length-area-of-fence/ssss7k3m</loc>
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      <lastmod>2026-11-02T19:41:25+00:00</lastmod>
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      <lastmod>2026-11-04T06:35:22+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/square-pyramid-construction-and-probabilistic-analysis/ssss7k3p</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/square-pyramid-construction-and-probabilistic-analysis/ssss7k3p"/>
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      <lastmod>2026-11-04T06:35:22+00:00</lastmod>
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      <lastmod>2026-11-03T02:23:39+00:00</lastmod>
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      <lastmod>2026-11-02T23:44:51+00:00</lastmod>
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      <lastmod>2026-11-02T19:12:02+00:00</lastmod>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/fraction-division-geogebra-applet/ssss7k3i"/>
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      <lastmod>2026-11-02T19:12:02+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/linear-inequality-game/ssss7k1n</loc>
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      <loc>https://www.mathplotai.com/zh/case/linear-quadratic-equations/ssss7k12</loc>
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      <loc>https://www.mathplotai.com/zh/case/parabola-demonstration-by-jimmy-powell/ssss7k1k</loc>
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      <loc>https://www.mathplotai.com/en/case/rotational-symmetry-of-a-rectangle/ssss7k10</loc>
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      <loc>https://www.mathplotai.com/zh/case/example-of-similar-triangles/ssss7k1d</loc>
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      <loc>https://www.mathplotai.com/zh/case/sss-similarity-investigation/ssss7k1u</loc>
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    <url>
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      <lastmod>2026-11-03T01:29:16+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/logistic-growth-function/ssss7k15</loc>
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      <lastmod>2026-11-02T23:45:25+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/logistic-growth-function/ssss7k15</loc>
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      <lastmod>2026-11-02T23:45:25+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/rotation-animation-demo/ssss7k1b</loc>
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      <lastmod>2026-11-02T19:17:36+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/rotation-animation-demo/ssss7k1b</loc>
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      <lastmod>2026-11-02T19:17:36+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/cube-geometry-shortest-path/ssss7k13</loc>
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      <lastmod>2026-11-02T23:39:06+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/cube-geometry-shortest-path/ssss7k13</loc>
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      <lastmod>2026-11-02T23:39:06+00:00</lastmod>
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    <url>
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      <lastmod>2026-11-03T02:32:42+00:00</lastmod>
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    <url>
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      <lastmod>2026-11-03T02:32:42+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/upper-and-lower-sums/ssss7k11</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/upper-and-lower-sums/ssss7k11</loc>
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      <lastmod>2026-11-02T20:27:22+00:00</lastmod>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/midline-conjecture-exploring-distances-in-a-triangle-with-an-inscribed-rectangl/ssss7k1m"/>
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      <lastmod>2026-11-02T19:56:38+00:00</lastmod>
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    <url>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/midline-conjecture-exploring-distances-in-a-triangle-with-an-inscribed-rectangl/ssss7k1m"/>
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      <lastmod>2026-11-02T19:56:38+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/cylinder-filling-demonstration/ssss7k1j</loc>
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      <lastmod>2026-11-02T23:10:36+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/cylinder-filling-demonstration/ssss7k1j</loc>
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      <lastmod>2026-11-02T23:10:36+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/parabola-equidistant-from-focus-and-directrix/ssss7kmt</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/parabola-equidistant-from-focus-and-directrix/ssss7kmt"/>
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      <lastmod>2026-11-02T21:40:25+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/parabola-equidistant-from-focus-and-directrix/ssss7kmt</loc>
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      <lastmod>2026-11-02T23:21:39+00:00</lastmod>
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      <lastmod>2026-11-02T23:21:39+00:00</lastmod>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/parameterizing-an-ellipse-dynamic-construction-and-visualization/ssss7kj2"/>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/parameterizing-an-ellipse-dynamic-construction-and-visualization/ssss7kj2"/>
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      <lastmod>2026-11-02T19:38:18+00:00</lastmod>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/vector-projection-by-tim-brzezinski/ssss7kjk"/>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/vector-projection-by-tim-brzezinski/ssss7kjk"/>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/square-root-function-graph-by-rachel-grzech/ssss7kjz"/>
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      <loc>https://www.mathplotai.com/zh/case/expected-value-of-a-random-variable/ssss7kj0</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/expected-value-of-a-random-variable/ssss7kj0"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/expected-value-of-a-random-variable/ssss7kj0"/>
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      <loc>https://www.mathplotai.com/en/case/axial-symmetry-reflection-in-a-line/ssss7kw4</loc>
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      <lastmod>2026-11-02T23:02:33+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/animation-37-comprehensive-geometric-transformations-with-polygons-and-circles/ssss7kwl</loc>
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      <loc>https://www.mathplotai.com/zh/case/concave-polygon-demonstration/ssss7kwy</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/concave-polygon-demonstration/ssss7kwy</loc>
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      <loc>https://www.mathplotai.com/zh/case/quadratic-equations-and-properties/ssss7kwa</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/quadratic-equations-and-properties/ssss7kwa</loc>
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      <lastmod>2026-11-02T23:17:05+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/wallpaper-symmetry-group-p4g/ssss7kwc</loc>
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      <loc>https://www.mathplotai.com/en/case/wallpaper-symmetry-group-p4g/ssss7kwc</loc>
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      <lastmod>2026-11-02T22:02:00+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/multiplying-complex-numbers-geometric-visualization-by-ciara-folens/ssss7kwr</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/multiplying-complex-numbers-geometric-visualization-by-ciara-folens/ssss7kwr"/>
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    <url>
      <loc>https://www.mathplotai.com/en/case/multiplying-complex-numbers-geometric-visualization-by-ciara-folens/ssss7kwr</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/multiplying-complex-numbers-geometric-visualization-by-ciara-folens/ssss7kwr"/>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/quadratic-formula-and-graph/ssss7kwh</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/quadratic-formula-and-graph/ssss7kwh</loc>
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      <lastmod>2026-11-02T21:06:35+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/farmer-s-problem-1/ssss7kwt</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/farmer-s-problem-1/ssss7kwt</loc>
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      <loc>https://www.mathplotai.com/zh/case/dilation-grid-1-similar-triangles-and-transformation/ssss7kwx</loc>
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      <lastmod>2026-11-02T19:35:49+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/dilation-grid-1-similar-triangles-and-transformation/ssss7kwx</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/dilation-grid-1-similar-triangles-and-transformation/ssss7kwx"/>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/cobweb-diagram-visualization/ssss7kwi</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/cobweb-diagram-visualization/ssss7kwi</loc>
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      <lastmod>2026-11-02T20:37:29+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/triangle-congruence-demo-by-olusegun-olawuyi/ssss7kwo</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/triangle-congruence-demo-by-olusegun-olawuyi/ssss7kwo"/>
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      <lastmod>2026-11-02T19:40:54+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/triangle-congruence-demo-by-olusegun-olawuyi/ssss7kwo</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/triangle-congruence-demo-by-olusegun-olawuyi/ssss7kwo"/>
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      <lastmod>2026-11-02T19:40:54+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/graphing-compound-inequalities-by-tmoorehead-3/ssss7k6s</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/graphing-compound-inequalities-by-tmoorehead-3/ssss7k6s"/>
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      <lastmod>2026-11-03T03:21:57+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/graphing-compound-inequalities-by-tmoorehead-3/ssss7k6s</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/graphing-compound-inequalities-by-tmoorehead-3/ssss7k6s"/>
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      <lastmod>2026-11-03T03:21:57+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/power-function-and-linear-regression-in-fractal-geometry/ssss7k67</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/power-function-and-linear-regression-in-fractal-geometry/ssss7k67"/>
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      <lastmod>2026-11-02T19:14:14+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/power-function-and-linear-regression-in-fractal-geometry/ssss7k67</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/power-function-and-linear-regression-in-fractal-geometry/ssss7k67"/>
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      <lastmod>2026-11-02T19:14:14+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/create-tessellation-based-on-triangle-rotation/ssss7k6n</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/create-tessellation-based-on-triangle-rotation/ssss7k6n"/>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/create-tessellation-based-on-triangle-rotation/ssss7k6n"/>
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      <lastmod>2026-11-02T20:48:06+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/inequalities-in-a-triangle-by-t-picone/ssss7kv0</loc>
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      <lastmod>2026-11-02T23:52:21+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/law-of-sines-demonstration-by-ted-sundstrom/ssss7kvd</loc>
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      <loc>https://www.mathplotai.com/zh/case/relationship-between-average-and-standard-deviation/ssss7kl7</loc>
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      <lastmod>2026-11-03T00:39:12+00:00</lastmod>
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      <lastmod>2026-11-03T02:33:50+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/adding-2-vectors-geometric-vector-addition/ssss7kl3</loc>
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      <loc>https://www.mathplotai.com/zh/case/i-geometry-dimensions-demo/ssss7klq</loc>
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      <loc>https://www.mathplotai.com/en/case/i-geometry-dimensions-demo/ssss7klq</loc>
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      <lastmod>2026-11-03T03:31:48+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/geogebra-demonstration-of-z-yx-2/ssss7kl1</loc>
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      <lastmod>2026-11-02T20:46:28+00:00</lastmod>
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      <lastmod>2026-11-03T01:34:10+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/geometric-transformations-and-probability-distributions-animation/ssss7klj</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/geometric-transformations-and-probability-distributions-animation/ssss7klj"/>
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      <loc>https://www.mathplotai.com/en/case/geometric-transformations-and-probability-distributions-animation/ssss7klj</loc>
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      <lastmod>2026-11-02T21:08:37+00:00</lastmod>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/dynamic-demonstration-of-a-theorem-involving-triangle-circumcircle-and-angles/ssss7klp"/>
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      <lastmod>2026-11-02T22:13:15+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/derivative-of-ln-x/ssss7klc</loc>
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      <loc>https://www.mathplotai.com/en/case/derivative-of-ln-x/ssss7klc</loc>
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      <loc>https://www.mathplotai.com/zh/case/area-of-a-parallelogram-interactive-demonstration/ssss7klx</loc>
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      <loc>https://www.mathplotai.com/en/case/two-sets-of-similar-triangles/ssss7kcm</loc>
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      <loc>https://www.mathplotai.com/zh/case/reflection-properties-of-the-ellipse/ssss7kcj</loc>
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      <loc>https://www.mathplotai.com/en/case/reflection-properties-of-the-ellipse/ssss7kcj</loc>
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      <lastmod>2026-11-03T00:35:05+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/angle-between-two-planes-by-tam-chi-leung/ssss7kcp</loc>
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      <loc>https://www.mathplotai.com/zh/case/area-models-for-improper-fractions-by-edc-interactive-math/ssss7kcw</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/explore-a-rhombus/ssss7kc6</loc>
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      <lastmod>2026-11-02T23:58:48+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/slippery-surface-05/ssss7kcg</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/slippery-surface-05/ssss7kcg</loc>
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      <lastmod>2026-11-03T02:07:31+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/distance-between-two-points-length-of-line-segment/ssss7kc9</loc>
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      <lastmod>2026-11-03T03:45:47+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/distance-between-two-points-length-of-line-segment/ssss7kc9</loc>
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      <lastmod>2026-11-03T03:45:47+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/kite-construction-transformation-demo/ssss7kce</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/kite-construction-transformation-demo/ssss7kce</loc>
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      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/kite-construction-transformation-demo/ssss7kce"/>
      <lastmod>2026-11-02T19:06:03+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/the-rate-of-change-of-the-sine-function-exploring-tangent-slopes-with-geogebra/ssss7kcv</loc>
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      <lastmod>2026-11-02T22:30:23+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/the-rate-of-change-of-the-sine-function-exploring-tangent-slopes-with-geogebra/ssss7kcv</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/the-rate-of-change-of-the-sine-function-exploring-tangent-slopes-with-geogebra/ssss7kcv"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/the-rate-of-change-of-the-sine-function-exploring-tangent-slopes-with-geogebra/ssss7kcv"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/the-rate-of-change-of-the-sine-function-exploring-tangent-slopes-with-geogebra/ssss7kcv"/>
      <lastmod>2026-11-02T22:30:23+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/general-form-of-linear-equation/ssss7kc4</loc>
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      <lastmod>2026-11-02T21:58:50+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/general-form-of-linear-equation/ssss7kc4</loc>
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      <lastmod>2026-11-02T21:58:50+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/segment-length-relationships-from-intersections-of-secants-chords-and-tangents/ssss7kcl</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/segment-length-relationships-from-intersections-of-secants-chords-and-tangents/ssss7kcl"/>
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      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/segment-length-relationships-from-intersections-of-secants-chords-and-tangents/ssss7kcl"/>
      <lastmod>2026-11-02T19:37:32+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/segment-length-relationships-from-intersections-of-secants-chords-and-tangents/ssss7kcl</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/segment-length-relationships-from-intersections-of-secants-chords-and-tangents/ssss7kcl"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/segment-length-relationships-from-intersections-of-secants-chords-and-tangents/ssss7kcl"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/segment-length-relationships-from-intersections-of-secants-chords-and-tangents/ssss7kcl"/>
      <lastmod>2026-11-02T19:37:32+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/constructing-a-rectangle-with-geogebra/ssss7kcy</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/constructing-a-rectangle-with-geogebra/ssss7kcy"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/constructing-a-rectangle-with-geogebra/ssss7kcy"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/constructing-a-rectangle-with-geogebra/ssss7kcy"/>
      <lastmod>2026-11-02T23:18:59+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/constructing-a-rectangle-with-geogebra/ssss7kcy</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/constructing-a-rectangle-with-geogebra/ssss7kcy"/>
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      <lastmod>2026-11-02T23:18:59+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/similar-triangles-task/ssss7kca</loc>
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      <lastmod>2026-11-02T19:24:22+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/similar-triangles-task/ssss7kca</loc>
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      <lastmod>2026-11-02T19:24:22+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/intersection-of-a-cylinder-and-a-sphere/ssss7kcc</loc>
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      <lastmod>2026-11-02T22:29:52+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/intersection-of-a-cylinder-and-a-sphere/ssss7kcc</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/intersection-of-a-cylinder-and-a-sphere/ssss7kcc"/>
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      <lastmod>2026-11-02T22:29:52+00:00</lastmod>
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      <lastmod>2026-11-02T19:22:00+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/star-polygons-by-diana/ssss7kr5</loc>
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      <lastmod>2026-11-02T19:22:00+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/ellipse-graphing/ssss7krb</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/ellipse-graphing/ssss7krb"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/ellipse-graphing/ssss7krb"/>
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    <url>
      <loc>https://www.mathplotai.com/en/case/ellipse-graphing/ssss7krb</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/ellipse-graphing/ssss7krb"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/ellipse-graphing/ssss7krb"/>
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      <lastmod>2026-11-03T03:15:40+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/z-scores-as-geometric-transformations/ssss7kr3</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/z-scores-as-geometric-transformations/ssss7kr3"/>
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      <lastmod>2026-11-03T01:04:42+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/z-scores-as-geometric-transformations/ssss7kr3</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/z-scores-as-geometric-transformations/ssss7kr3"/>
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      <lastmod>2026-11-03T01:04:42+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/quadratic-functions-vertex-form-ssssskbp/ssss7krq</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/quadratic-functions-vertex-form-ssssskbp/ssss7krq"/>
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      <lastmod>2026-11-02T23:29:04+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/quadratic-functions-vertex-form-ssssskbp/ssss7krq</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/quadratic-functions-vertex-form-ssssskbp/ssss7krq"/>
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      <lastmod>2026-11-02T23:29:04+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/parabolic-basketball/ssss7kr1</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/parabolic-basketball/ssss7kr1"/>
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      <lastmod>2026-11-02T22:56:00+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/parabolic-basketball/ssss7kr1</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/parabolic-basketball/ssss7kr1"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/parabolic-basketball/ssss7kr1"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/parabolic-basketball/ssss7kr1"/>
      <lastmod>2026-11-02T22:56:00+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/adding-integers-with-different-signs/ssss7krm</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/adding-integers-with-different-signs/ssss7krm"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/adding-integers-with-different-signs/ssss7krm"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/adding-integers-with-different-signs/ssss7krm"/>
      <lastmod>2026-11-02T19:28:44+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/adding-integers-with-different-signs/ssss7krm</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/adding-integers-with-different-signs/ssss7krm"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/adding-integers-with-different-signs/ssss7krm"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/adding-integers-with-different-signs/ssss7krm"/>
      <lastmod>2026-11-02T19:28:44+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/irregular-polygons-construction-and-transformation/ssss7krj</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/irregular-polygons-construction-and-transformation/ssss7krj"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/irregular-polygons-construction-and-transformation/ssss7krj"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/irregular-polygons-construction-and-transformation/ssss7krj"/>
      <lastmod>2026-11-02T22:39:18+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/irregular-polygons-construction-and-transformation/ssss7krj</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/irregular-polygons-construction-and-transformation/ssss7krj"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/irregular-polygons-construction-and-transformation/ssss7krj"/>
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      <lastmod>2026-11-02T22:39:18+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/inscribed-and-circumscribed-regular-polygons/ssss7krp</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/inscribed-and-circumscribed-regular-polygons/ssss7krp"/>
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      <lastmod>2026-11-03T00:46:11+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/inscribed-and-circumscribed-regular-polygons/ssss7krp</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/inscribed-and-circumscribed-regular-polygons/ssss7krp"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/inscribed-and-circumscribed-regular-polygons/ssss7krp"/>
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      <lastmod>2026-11-03T00:46:11+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/double-cone-construction-and-inequality-demonstration/ssss7krw</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/double-cone-construction-and-inequality-demonstration/ssss7krw"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/double-cone-construction-and-inequality-demonstration/ssss7krw"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/double-cone-construction-and-inequality-demonstration/ssss7krw"/>
      <lastmod>2026-11-02T20:27:43+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/double-cone-construction-and-inequality-demonstration/ssss7krw</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/double-cone-construction-and-inequality-demonstration/ssss7krw"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/double-cone-construction-and-inequality-demonstration/ssss7krw"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/double-cone-construction-and-inequality-demonstration/ssss7krw"/>
      <lastmod>2026-11-02T20:27:43+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/law-of-sine-ambiguous-investigation/ssss7kr6</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/law-of-sine-ambiguous-investigation/ssss7kr6"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/law-of-sine-ambiguous-investigation/ssss7kr6"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/law-of-sine-ambiguous-investigation/ssss7kr6"/>
      <lastmod>2026-11-02T21:58:41+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/law-of-sine-ambiguous-investigation/ssss7kr6</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/law-of-sine-ambiguous-investigation/ssss7kr6"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/law-of-sine-ambiguous-investigation/ssss7kr6"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/law-of-sine-ambiguous-investigation/ssss7kr6"/>
      <lastmod>2026-11-02T21:58:41+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/reflection-in-the-origin/ssss7krg</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/reflection-in-the-origin/ssss7krg"/>
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      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/reflection-in-the-origin/ssss7krg"/>
      <lastmod>2026-11-02T19:35:14+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/reflection-in-the-origin/ssss7krg</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/reflection-in-the-origin/ssss7krg"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/reflection-in-the-origin/ssss7krg"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/reflection-in-the-origin/ssss7krg"/>
      <lastmod>2026-11-02T19:35:14+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/constructing-an-equilateral-triangle-on-three-parallel-lines/ssss7kr9</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/constructing-an-equilateral-triangle-on-three-parallel-lines/ssss7kr9"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/constructing-an-equilateral-triangle-on-three-parallel-lines/ssss7kr9"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/constructing-an-equilateral-triangle-on-three-parallel-lines/ssss7kr9"/>
      <lastmod>2026-11-03T00:08:15+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/constructing-an-equilateral-triangle-on-three-parallel-lines/ssss7kr9</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/constructing-an-equilateral-triangle-on-three-parallel-lines/ssss7kr9"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/constructing-an-equilateral-triangle-on-three-parallel-lines/ssss7kr9"/>
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      <lastmod>2026-11-03T00:08:15+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/simulation-experiment/ssss7kre</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/simulation-experiment/ssss7kre"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/simulation-experiment/ssss7kre"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/simulation-experiment/ssss7kre"/>
      <lastmod>2026-11-02T21:16:47+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/simulation-experiment/ssss7kre</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/simulation-experiment/ssss7kre"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/simulation-experiment/ssss7kre"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/simulation-experiment/ssss7kre"/>
      <lastmod>2026-11-02T21:16:47+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/mae-s-sphere/ssss7krv</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/mae-s-sphere/ssss7krv"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/mae-s-sphere/ssss7krv"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/mae-s-sphere/ssss7krv"/>
      <lastmod>2026-11-02T19:03:40+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/mae-s-sphere/ssss7krv</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/mae-s-sphere/ssss7krv"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/mae-s-sphere/ssss7krv"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/mae-s-sphere/ssss7krv"/>
      <lastmod>2026-11-02T19:03:40+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/copying-line-segments-geometric-construction-with-compass-and-straightedge/ssss7kr4</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/copying-line-segments-geometric-construction-with-compass-and-straightedge/ssss7kr4"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/copying-line-segments-geometric-construction-with-compass-and-straightedge/ssss7kr4"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/copying-line-segments-geometric-construction-with-compass-and-straightedge/ssss7kr4"/>
      <lastmod>2026-11-03T00:03:24+00:00</lastmod>
    </url>
    <url>
      <loc>https://www.mathplotai.com/en/case/copying-line-segments-geometric-construction-with-compass-and-straightedge/ssss7kr4</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/copying-line-segments-geometric-construction-with-compass-and-straightedge/ssss7kr4"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/copying-line-segments-geometric-construction-with-compass-and-straightedge/ssss7kr4"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/copying-line-segments-geometric-construction-with-compass-and-straightedge/ssss7kr4"/>
      <lastmod>2026-11-03T00:03:24+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/sonobe-12-piece-octahedral-construction/ssss7krl</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/sonobe-12-piece-octahedral-construction/ssss7krl"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/sonobe-12-piece-octahedral-construction/ssss7krl"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/sonobe-12-piece-octahedral-construction/ssss7krl"/>
      <lastmod>2026-11-02T19:06:34+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/sonobe-12-piece-octahedral-construction/ssss7krl</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/sonobe-12-piece-octahedral-construction/ssss7krl"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/sonobe-12-piece-octahedral-construction/ssss7krl"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/sonobe-12-piece-octahedral-construction/ssss7krl"/>
      <lastmod>2026-11-02T19:06:34+00:00</lastmod>
    </url>
    <url>
      <loc>https://www.mathplotai.com/zh/case/parabola-generator-2-geometric-locus-construction/ssss7kry</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/parabola-generator-2-geometric-locus-construction/ssss7kry"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/parabola-generator-2-geometric-locus-construction/ssss7kry"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/parabola-generator-2-geometric-locus-construction/ssss7kry"/>
      <lastmod>2026-11-02T21:38:24+00:00</lastmod>
    </url>
    <url>
      <loc>https://www.mathplotai.com/en/case/parabola-generator-2-geometric-locus-construction/ssss7kry</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/parabola-generator-2-geometric-locus-construction/ssss7kry"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/parabola-generator-2-geometric-locus-construction/ssss7kry"/>
      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/parabola-generator-2-geometric-locus-construction/ssss7kry"/>
      <lastmod>2026-11-02T21:38:24+00:00</lastmod>
    </url>
    <url>
      <loc>https://www.mathplotai.com/zh/case/hyperbola-by-locus/ssss7kra</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/hyperbola-by-locus/ssss7kra"/>
      <xhtml:link rel="alternate" hreflang="en" href="https://www.mathplotai.com/en/case/hyperbola-by-locus/ssss7kra"/>
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      <loc>https://www.mathplotai.com/zh/case/particle-motion-graphical-demo/ssss7kxo</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/particle-motion-graphical-demo/ssss7kxo</loc>
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      <loc>https://www.mathplotai.com/zh/case/tangent-as-a-limit-demonstration/ssss7kis</loc>
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      <loc>https://www.mathplotai.com/zh/case/logarithm-graph-investigation-rotation-differential-equations-and-linear-regr/ssss7z79</loc>
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      <lastmod>2026-11-02T22:51:19+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/logarithm-graph-investigation-rotation-differential-equations-and-linear-regr/ssss7z79</loc>
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      <lastmod>2026-11-02T22:51:19+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/quarter-pyramid/ssss7z7e</loc>
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      <lastmod>2026-11-02T19:35:31+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/animation-201-geometric-transformations-with-circles-equilateral-triangles-an/ssss7z7v</loc>
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      <lastmod>2026-11-02T19:19:59+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/demonstrating-place-value-with-geogebra/ssss7z74</loc>
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      <loc>https://www.mathplotai.com/zh/case/vector-addition-in-coordinate-plane/ssss7znn</loc>
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      <loc>https://www.mathplotai.com/en/case/vector-addition-in-coordinate-plane/ssss7znn</loc>
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      <loc>https://www.mathplotai.com/zh/case/geometric-mean-by-lsantos403977/ssss7zn2</loc>
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      <loc>https://www.mathplotai.com/en/case/geometric-mean-by-lsantos403977/ssss7zn2</loc>
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      <lastmod>2026-11-02T19:44:17+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/difficult-section-of-a-cube-by-plane-ijk/ssss7znk</loc>
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      <lastmod>2026-11-04T06:24:10+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/confidence-interval-variation-problems/ssss7zk7</loc>
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      <loc>https://www.mathplotai.com/zh/case/complex-multiplication-by-kosband/ssss7zkn</loc>
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      <lastmod>2026-11-02T22:21:48+00:00</lastmod>
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      <lastmod>2026-11-02T19:50:11+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/exploring-similar-triangles/ssss7zja</loc>
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      <loc>https://www.mathplotai.com/zh/case/perpendicular-bisectors-envelope-circle-case/ssss7zjc</loc>
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      <loc>https://www.mathplotai.com/en/case/perpendicular-bisectors-envelope-circle-case/ssss7zjc</loc>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/geographic-coordinates-and-time/ssss7zjr</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/geographic-coordinates-and-time/ssss7zjr</loc>
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      <lastmod>2026-11-03T02:03:41+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/parallel-perpendicular-lines-in-the-coordinate-plane-by-david-deshetler/ssss7zjh</loc>
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      <loc>https://www.mathplotai.com/zh/case/dot-products-of-plane-vectors-by-nbaddam17/ssss7zjt</loc>
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      <lastmod>2026-11-02T19:27:57+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/dot-products-of-plane-vectors-by-nbaddam17/ssss7zjt</loc>
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      <loc>https://www.mathplotai.com/zh/case/developing-basic-trig-function-graphs-from-a-circle/ssss7zji</loc>
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      <loc>https://www.mathplotai.com/en/case/separable-variables-de-solver/ssss7zwb</loc>
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      <loc>https://www.mathplotai.com/zh/case/demonstration-of-the-orthocenter-by-jhancock2018/ssss7zwy</loc>
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      <loc>https://www.mathplotai.com/zh/case/pentagon-construction-by-mocha/ssss7z6j</loc>
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      <loc>https://www.mathplotai.com/zh/case/vector-scaling-demonstration/ssss7z66</loc>
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    <url>
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      <loc>https://www.mathplotai.com/zh/case/vector-addition-by-garzenk/ssss7z69</loc>
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      <loc>https://www.mathplotai.com/zh/case/dilation-of-a-circle/ssss7z64</loc>
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      <loc>https://www.mathplotai.com/en/case/dilation-of-a-circle/ssss7z64</loc>
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      <loc>https://www.mathplotai.com/zh/case/similar-polygons-by-mr-shinton/ssss7z6l</loc>
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      <lastmod>2026-11-02T22:52:48+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/similar-polygons-by-mr-shinton/ssss7z6l</loc>
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      <lastmod>2026-11-02T22:52:48+00:00</lastmod>
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      <lastmod>2026-11-02T22:53:08+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/secant-approaching-tangent/ssss7zez</loc>
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      <lastmod>2026-11-03T02:48:15+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/triangle-perimeter-calculation-demo-by-baldevpari/ssss7zeq</loc>
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      <loc>https://www.mathplotai.com/en/case/triangle-perimeter-calculation-demo-by-baldevpari/ssss7zeq</loc>
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      <lastmod>2026-11-02T20:33:33+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/gradient-vector-field-by-tatsuyoshi-hamada/ssss7ze1</loc>
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      <lastmod>2026-11-03T02:31:46+00:00</lastmod>
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      <lastmod>2026-11-03T02:31:46+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/rhombus-and-kite-geometry-with-reflection/ssss7zem</loc>
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      <lastmod>2026-11-03T03:11:19+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/rhombus-and-kite-geometry-with-reflection/ssss7zem</loc>
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      <lastmod>2026-11-03T03:11:19+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/exponential-function-by-mark-willis/ssss7zej</loc>
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      <lastmod>2026-11-02T23:20:41+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/exponential-function-by-mark-willis/ssss7zej</loc>
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      <lastmod>2026-11-02T23:20:41+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/transversal-intersects-parallel-lines-by-tim-brzezinski/ssss7zep</loc>
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      <lastmod>2026-11-02T21:00:34+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/transversal-intersects-parallel-lines-by-tim-brzezinski/ssss7zep</loc>
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      <loc>https://www.mathplotai.com/zh/case/resultant-vector-after-wind/ssss7zew</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/resultant-vector-after-wind/ssss7zew</loc>
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      <lastmod>2026-11-02T23:04:01+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/stereoscopic-lawson-klein-bottle/ssss7ze6</loc>
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      <loc>https://www.mathplotai.com/zh/case/limits-at-infinity-and-infinite-limits/ssss7ze9</loc>
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      <loc>https://www.mathplotai.com/zh/case/bisection-method-for-root-finding/ssss7z4p</loc>
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      <loc>https://www.mathplotai.com/en/case/bisection-method-for-root-finding/ssss7z4p</loc>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/simple-angle-one-fixed-line-segment/ssss7z4w</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/simple-angle-one-fixed-line-segment/ssss7z4w</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/simple-angle-one-fixed-line-segment/ssss7z4w"/>
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      <lastmod>2026-11-02T22:35:04+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/rotation-and-intersection-of-equilateral-triangles/ssss7z46</loc>
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      <lastmod>2026-11-03T01:06:45+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/rotation-and-intersection-of-equilateral-triangles/ssss7z46</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/rotation-and-intersection-of-equilateral-triangles/ssss7z46"/>
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      <lastmod>2026-11-03T01:06:45+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/derivative-fails-demonstration/ssss7z4g</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/derivative-fails-demonstration/ssss7z4g</loc>
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      <lastmod>2026-11-02T19:51:50+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/the-derivative-by-rasha-tarek-2/ssss7z49</loc>
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      <lastmod>2026-11-03T01:01:39+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/the-derivative-by-rasha-tarek-2/ssss7z49</loc>
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      <lastmod>2026-11-03T01:01:39+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/mta-rhombus/ssss7z4e</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/mta-rhombus/ssss7z4e</loc>
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      <lastmod>2026-11-02T19:39:44+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/refraction-on-parallel-surfaces/ssss7z4v</loc>
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      <lastmod>2026-11-02T20:58:01+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/refraction-on-parallel-surfaces/ssss7z4v</loc>
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      <lastmod>2026-11-02T20:58:01+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/surface-of-revolution-vase-with-splines/ssss7z44</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/surface-of-revolution-vase-with-splines/ssss7z44"/>
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      <lastmod>2026-11-02T20:25:28+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/surface-of-revolution-vase-with-splines/ssss7z44</loc>
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      <lastmod>2026-11-02T20:25:28+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/quadratic-functions-by-kristen-houdek/ssss7z4l</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/quadratic-functions-by-kristen-houdek/ssss7z4l"/>
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      <lastmod>2026-11-02T21:12:07+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/quadratic-functions-by-kristen-houdek/ssss7z4l</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/quadratic-functions-by-kristen-houdek/ssss7z4l"/>
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      <lastmod>2026-11-02T21:12:07+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/supplementary-angles-meaning/ssss7z4y</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/supplementary-angles-meaning/ssss7z4y"/>
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      <lastmod>2026-11-02T21:33:32+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/supplementary-angles-meaning/ssss7z4y</loc>
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      <lastmod>2026-11-02T21:33:32+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/understanding-probability-rules/ssss7z4a</loc>
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      <lastmod>2026-11-02T22:03:18+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/understanding-probability-rules/ssss7z4a</loc>
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      <lastmod>2026-11-02T22:03:18+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/sliding-roots-how-area-changes-as-the-graph-translates/ssss7z4c</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/sliding-roots-how-area-changes-as-the-graph-translates/ssss7z4c"/>
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      <lastmod>2026-11-02T22:41:07+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/sliding-roots-how-area-changes-as-the-graph-translates/ssss7z4c</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/sliding-roots-how-area-changes-as-the-graph-translates/ssss7z4c"/>
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      <lastmod>2026-11-02T22:41:07+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/perpendicular-lines-by-kjhunjhnuwala/ssss7z4r</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/perpendicular-lines-by-kjhunjhnuwala/ssss7z4r"/>
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      <lastmod>2026-11-03T03:37:32+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/perpendicular-lines-by-kjhunjhnuwala/ssss7z4r</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/perpendicular-lines-by-kjhunjhnuwala/ssss7z4r"/>
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      <lastmod>2026-11-03T03:37:32+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/sss-triangle-congruence-by-alex-jacoby/ssss7z4h</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/sss-triangle-congruence-by-alex-jacoby/ssss7z4h"/>
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      <lastmod>2026-11-03T01:31:10+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/sss-triangle-congruence-by-alex-jacoby/ssss7z4h</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/sss-triangle-congruence-by-alex-jacoby/ssss7z4h"/>
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      <lastmod>2026-11-03T01:31:10+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/prism-and-pyramid-construction-and-volume/ssss7z4t</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/prism-and-pyramid-construction-and-volume/ssss7z4t"/>
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      <lastmod>2026-11-02T19:05:18+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/prism-and-pyramid-construction-and-volume/ssss7z4t</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/prism-and-pyramid-construction-and-volume/ssss7z4t"/>
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      <lastmod>2026-11-02T19:05:18+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/folding-an-octahedron-from-three-squares/ssss7z4x</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/folding-an-octahedron-from-three-squares/ssss7z4x"/>
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      <lastmod>2026-11-02T20:15:14+00:00</lastmod>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/folding-an-octahedron-from-three-squares/ssss7z4x"/>
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      <lastmod>2026-11-02T20:15:14+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/visualizing-volumes-of-rotation/ssss7zay</loc>
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      <loc>https://www.mathplotai.com/zh/case/complex-multiplication-by-justin-almeida/ssss7zaa</loc>
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      <loc>https://www.mathplotai.com/en/case/complex-multiplication-by-justin-almeida/ssss7zaa</loc>
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      <loc>https://www.mathplotai.com/zh/case/function-and-locus-geogebra-demo/ssss7zac</loc>
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      <loc>https://www.mathplotai.com/en/case/function-and-locus-geogebra-demo/ssss7zac</loc>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/rate-of-change-bubblegum/ssss7zar</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/rate-of-change-bubblegum/ssss7zar</loc>
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      <loc>https://www.mathplotai.com/zh/case/measuring-angles-with-protractor-by-ewegner/ssss7zah</loc>
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      <lastmod>2026-11-03T03:13:27+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/measuring-angles-with-protractor-by-ewegner/ssss7zah</loc>
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      <lastmod>2026-11-03T03:13:27+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/standard-form-of-a-parabola/ssss7zax</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/standard-form-of-a-parabola/ssss7zax</loc>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/basic-scatter-plot/ssss7zai</loc>
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      <lastmod>2026-11-02T21:45:50+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/regular-division-of-a-circumference-for-animal-design/ssss7zao</loc>
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      <lastmod>2026-11-02T21:45:50+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/geogebra-geometry-construction-example-angles-and-transformations/ssss7zcs</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/geogebra-geometry-construction-example-angles-and-transformations/ssss7zcs"/>
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      <lastmod>2026-11-03T01:47:48+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/geogebra-geometry-construction-example-angles-and-transformations/ssss7zcs</loc>
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      <lastmod>2026-11-03T01:47:48+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/elliptical-orbit-animated-by-mean-anomaly/ssss7zc7</loc>
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      <lastmod>2026-11-03T01:57:47+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/elliptical-orbit-animated-by-mean-anomaly/ssss7zc7</loc>
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      <lastmod>2026-11-03T01:57:47+00:00</lastmod>
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    <url>
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      <lastmod>2026-11-03T03:53:32+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/conditions-for-a-quadrilateral-to-be-a-parallelogram-part-2/ssss7zc2</loc>
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      <loc>https://www.mathplotai.com/zh/case/similar-triangles-reflection-in-a-mirror/ssss7zck</loc>
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      <lastmod>2026-11-03T02:04:26+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/polygon-construction-by-braxton-carrigan/ssss7zrk</loc>
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      <loc>https://www.mathplotai.com/zh/case/alternate-interpretation-of-slope/ssss7zrz</loc>
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      <loc>https://www.mathplotai.com/en/case/alternate-interpretation-of-slope/ssss7zrz</loc>
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      <loc>https://www.mathplotai.com/zh/case/exploring-triangle-areas-in-a-rectangle/ssss7zr0</loc>
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      <loc>https://www.mathplotai.com/en/case/exploring-triangle-areas-in-a-rectangle/ssss7zr0</loc>
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      <loc>https://www.mathplotai.com/zh/case/cylinder-net-and-surface-area/ssss7zrd</loc>
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      <loc>https://www.mathplotai.com/en/case/cylinder-net-and-surface-area/ssss7zrd</loc>
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      <loc>https://www.mathplotai.com/zh/case/exploring-integers-with-thermometer-model/ssss7zrf</loc>
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      <loc>https://www.mathplotai.com/en/case/exploring-integers-with-thermometer-model/ssss7zrf</loc>
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      <loc>https://www.mathplotai.com/zh/case/exploring-eccentricity/ssss7zr8</loc>
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      <loc>https://www.mathplotai.com/zh/case/construct-a-sphere-in-geogebra/ssss7zru</loc>
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      <loc>https://www.mathplotai.com/en/case/construct-a-sphere-in-geogebra/ssss7zru</loc>
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      <lastmod>2026-11-04T06:34:20+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/broken-ruler-inches-for-measuring-line-segments/ssss7zr5</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/broken-ruler-inches-for-measuring-line-segments/ssss7zr5"/>
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    <url>
      <loc>https://www.mathplotai.com/en/case/broken-ruler-inches-for-measuring-line-segments/ssss7zr5</loc>
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      <lastmod>2026-11-02T21:44:06+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/converse-of-isosceles-triangle-theorem-interactive-discovery/ssss7zrb</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/converse-of-isosceles-triangle-theorem-interactive-discovery/ssss7zrb"/>
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      <loc>https://www.mathplotai.com/en/case/converse-of-isosceles-triangle-theorem-interactive-discovery/ssss7zrb</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/converse-of-isosceles-triangle-theorem-interactive-discovery/ssss7zrb"/>
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      <lastmod>2026-11-02T21:19:25+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/fraction-and-attached-text-geogebra-example/ssss7zr3</loc>
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      <lastmod>2026-11-02T21:11:22+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/fraction-and-attached-text-geogebra-example/ssss7zr3</loc>
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      <lastmod>2026-11-02T21:11:22+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/special-quadrilateral-constructions/ssss7zrq</loc>
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      <lastmod>2026-11-02T21:24:54+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/special-quadrilateral-constructions/ssss7zrq</loc>
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      <lastmod>2026-11-02T21:24:54+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/intro-to-dilation-of-a-point/ssss7zr1</loc>
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      <lastmod>2026-11-02T20:49:35+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/intro-to-dilation-of-a-point/ssss7zr1</loc>
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      <lastmod>2026-11-02T20:49:35+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/perimeter-exploration-of-regular-polygons/ssss7zrm</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/perimeter-exploration-of-regular-polygons/ssss7zrm"/>
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      <lastmod>2026-11-02T19:14:29+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/perimeter-exploration-of-regular-polygons/ssss7zrm</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/perimeter-exploration-of-regular-polygons/ssss7zrm"/>
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      <lastmod>2026-11-02T19:14:29+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/graphing-exponential-functions-by-thomas-gebbie-4/ssss7zrj</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/graphing-exponential-functions-by-thomas-gebbie-4/ssss7zrj"/>
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      <lastmod>2026-11-03T01:21:23+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/graphing-exponential-functions-by-thomas-gebbie-4/ssss7zrj</loc>
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      <lastmod>2026-11-03T01:21:23+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/circumcircle-and-geometric-construction/ssss7zrp</loc>
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      <lastmod>2026-11-02T21:13:52+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/circumcircle-and-geometric-construction/ssss7zrp</loc>
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      <lastmod>2026-11-02T21:13:52+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/parabola-as-quadratic-function-practice-2/ssss7zrw</loc>
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      <loc>https://www.mathplotai.com/en/case/parabola-as-quadratic-function-practice-2/ssss7zrw</loc>
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      <lastmod>2026-11-03T02:00:18+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/linear-equations-3-geometric-demonstration-with-points-and-polygons/ssss7zr6</loc>
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      <loc>https://www.mathplotai.com/zh/case/w-defined-by-basis-vectors-u-and-v/ssss7zh7</loc>
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      <loc>https://www.mathplotai.com/zh/case/critical-numbers-critical-points-of-functions-intro/ssss7zh2</loc>
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      <loc>https://www.mathplotai.com/zh/case/square-root-part-4/ssss7zhk</loc>
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      <loc>https://www.mathplotai.com/en/case/square-root-part-4/ssss7zhk</loc>
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      <loc>https://www.mathplotai.com/zh/case/average-deviation/ssss7zhz</loc>
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      <loc>https://www.mathplotai.com/en/case/average-deviation/ssss7zhz</loc>
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      <loc>https://www.mathplotai.com/zh/case/germany-pyramid-shadow-area/ssss7zh0</loc>
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      <loc>https://www.mathplotai.com/en/case/germany-pyramid-shadow-area/ssss7zh0</loc>
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      <loc>https://www.mathplotai.com/zh/case/circular-model-of-fractions/ssss7zhd</loc>
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      <loc>https://www.mathplotai.com/en/case/circular-model-of-fractions/ssss7zhd</loc>
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      <loc>https://www.mathplotai.com/zh/case/matrix-multiplication-animated-example/ssss7zh8</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/matrix-multiplication-animated-example/ssss7zh8</loc>
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      <lastmod>2026-11-02T22:23:36+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/chinese-visual-proof-of-pythagoras/ssss7zhu</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/chinese-visual-proof-of-pythagoras/ssss7zhu</loc>
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      <lastmod>2026-11-03T01:30:50+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/square-puzzle-by-john-golden/ssss7zh5</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/square-puzzle-by-john-golden/ssss7zh5"/>
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      <lastmod>2026-11-03T02:08:13+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/square-puzzle-by-john-golden/ssss7zh5</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/square-puzzle-by-john-golden/ssss7zh5"/>
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      <lastmod>2026-11-03T02:08:13+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/volume-of-solid-of-revolution-around-y-axis/ssss7zhb</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/volume-of-solid-of-revolution-around-y-axis/ssss7zhb"/>
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      <lastmod>2026-11-02T20:22:49+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/volume-of-solid-of-revolution-around-y-axis/ssss7zhb</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/volume-of-solid-of-revolution-around-y-axis/ssss7zhb"/>
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      <lastmod>2026-11-02T20:22:49+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/complex-roots-lab-exploring-roots-via-circle-and-tangent-intersections/ssss7zh3</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/complex-roots-lab-exploring-roots-via-circle-and-tangent-intersections/ssss7zh3"/>
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      <lastmod>2026-11-03T01:17:27+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/complex-roots-lab-exploring-roots-via-circle-and-tangent-intersections/ssss7zh3</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/complex-roots-lab-exploring-roots-via-circle-and-tangent-intersections/ssss7zh3"/>
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      <xhtml:link rel="alternate" hreflang="x-default" href="https://www.mathplotai.com/zh/case/complex-roots-lab-exploring-roots-via-circle-and-tangent-intersections/ssss7zh3"/>
      <lastmod>2026-11-03T01:17:27+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/points-of-intersection-18/ssss7zhq</loc>
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      <lastmod>2026-11-02T23:43:55+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/points-of-intersection-18/ssss7zhq</loc>
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      <lastmod>2026-11-02T23:43:55+00:00</lastmod>
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    <url>
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      <loc>https://www.mathplotai.com/zh/case/correlation-q1/ssss7zh6</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/volume-via-triangular-cross-sections/ssss7zhe</loc>
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      <loc>https://www.mathplotai.com/zh/case/square-pyramid-color-demonstration/ssss7zhv</loc>
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      <loc>https://www.mathplotai.com/en/case/square-pyramid-color-demonstration/ssss7zhv</loc>
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      <loc>https://www.mathplotai.com/zh/case/epsilon-delta-definition-for-limits/ssss7zh4</loc>
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      <loc>https://www.mathplotai.com/en/case/epsilon-delta-definition-for-limits/ssss7zh4</loc>
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      <loc>https://www.mathplotai.com/zh/case/area-of-a-parallelogram-transforming-it-into-a-rectangle/ssss7zhy</loc>
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      <loc>https://www.mathplotai.com/en/case/area-of-a-parallelogram-transforming-it-into-a-rectangle/ssss7zhy</loc>
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      <loc>https://www.mathplotai.com/en/case/similar-right-triangles-by-robin-padron-4/ssss7zha</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/similar-right-triangles-by-robin-padron-4/ssss7zha"/>
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      <loc>https://www.mathplotai.com/zh/case/multiplication-by-powers-of-i/ssss7zhc</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/multiplication-by-powers-of-i/ssss7zhc</loc>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/exponents-game-level-2/ssss7zhr</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/exponents-game-level-2/ssss7zhr</loc>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/triangle-reflection-demonstration/ssss7zhh</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/triangle-reflection-demonstration/ssss7zhh</loc>
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      <loc>https://www.mathplotai.com/zh/case/trigonometric-ratios-of-any-angle/ssss7zht</loc>
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      <lastmod>2026-11-03T03:11:10+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/trigonometric-ratios-of-any-angle/ssss7zht</loc>
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      <lastmod>2026-11-03T03:11:10+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/derivative-of-a-polynomial/ssss7zhx</loc>
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      <loc>https://www.mathplotai.com/zh/case/orthocenters-dynamic-exploration-of-triangle-altitudes/ssss7zhi</loc>
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      <lastmod>2026-11-03T00:17:01+00:00</lastmod>
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      <lastmod>2026-11-03T00:17:01+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/polar-derivatives-in-cartesian-coordinates/ssss7ztb</loc>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/explore-inscribed-angles/ssss7zt3</loc>
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      <loc>https://www.mathplotai.com/en/case/right-and-oblique-cylinder/ssss7zxp</loc>
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      <loc>https://www.mathplotai.com/en/case/odd-and-even-trigonometric-functions/ssss7zxw</loc>
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      <loc>https://www.mathplotai.com/zh/case/minimize-perimeter-with-fixed-area/ssss7zx6</loc>
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      <loc>https://www.mathplotai.com/en/case/minimize-perimeter-with-fixed-area/ssss7zx6</loc>
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      <loc>https://www.mathplotai.com/zh/case/locus-equation-of-the-cissoid-curve/ssss7zxg</loc>
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      <lastmod>2026-11-04T06:52:34+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/sample-size-problems-involving-proportions-and-means/ssss7zx9</loc>
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      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/sample-size-problems-involving-proportions-and-means/ssss7zx9"/>
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      <lastmod>2026-11-03T00:11:22+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/modes-of-vibration-of-a-fixed-string-standing-waves/ssss7zxe</loc>
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      <lastmod>2026-11-02T20:13:34+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/en/case/modes-of-vibration-of-a-fixed-string-standing-waves/ssss7zxe</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/modes-of-vibration-of-a-fixed-string-standing-waves/ssss7zxe"/>
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      <lastmod>2026-11-02T20:13:34+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/sphere-and-sine-function-demonstration/ssss7zxv</loc>
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    <url>
      <loc>https://www.mathplotai.com/en/case/sphere-and-sine-function-demonstration/ssss7zxv</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/sphere-and-sine-function-demonstration/ssss7zxv"/>
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      <lastmod>2026-11-02T22:10:02+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/cone-surface-area-calculation-by-m-cowden-garofalo/ssss7zx4</loc>
      <xhtml:link rel="alternate" hreflang="zh" href="https://www.mathplotai.com/zh/case/cone-surface-area-calculation-by-m-cowden-garofalo/ssss7zx4"/>
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      <lastmod>2026-11-03T02:47:29+00:00</lastmod>
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      <lastmod>2026-11-03T02:47:29+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/isosceles-trapezoid-construction-by-ibrahim-el-hage/ssss7zxl</loc>
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    <url>
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      <lastmod>2026-11-02T23:38:26+00:00</lastmod>
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    <url>
      <loc>https://www.mathplotai.com/zh/case/one-variable-linear-equations-practice/ssss7zxy</loc>
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      <loc>https://www.mathplotai.com/en/case/one-variable-linear-equations-practice/ssss7zxy</loc>
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      <lastmod>2026-11-03T00:17:05+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/intersection-of-a-quadric-surface-with-a-plane/ssss7zxa</loc>
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      <loc>https://www.mathplotai.com/zh/case/triangle-construction-by-taylor-rish/ssss70u7</loc>
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      <loc>https://www.mathplotai.com/zh/case/fun-with-similar-right-triangles/ssss701q</loc>
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      <loc>https://www.mathplotai.com/en/case/fun-with-similar-right-triangles/ssss701q</loc>
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      <loc>https://www.mathplotai.com/zh/case/rotations-by-gerard-marrone/ssss7011</loc>
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      <loc>https://www.mathplotai.com/en/case/rotations-by-gerard-marrone/ssss7011</loc>
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      <loc>https://www.mathplotai.com/zh/case/sample-p-correlation/ssss701m</loc>
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      <lastmod>2026-11-02T19:27:35+00:00</lastmod>
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      <loc>https://www.mathplotai.com/zh/case/parabola-equation-solver/ssss7014</loc>
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      <lastmod>2026-11-02T20:33:35+00:00</lastmod>
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      <loc>https://www.mathplotai.com/en/case/parabola-equation-solver/ssss7014</loc>
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      <lastmod>2026-11-02T20:33:35+00:00</lastmod>
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      <lastmod>2026-11-02T20:41:08+00:00</lastmod>
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      <lastmod>2026-11-02T22:06:18+00:00</lastmod>
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