故事图匹配
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①本范例演示通过图形匹配故事情境的数学应用;②涉及核心概念为函数图像、立体几何体、逻辑推理、几何特性及相关性分析;③构造中运用了Polygon(多边形)、LaTeX(公式编辑)、Vector(向量)、Segment(线段)、RemoveUndefined(移除未定义对象)、RotateText(文本旋转)等GeoGebra命令与对象;④适合高中阶段数学教学,用于提升学生函数图像识别、空间想象及逻辑分析能力。
GeoGebra 命令及参数
Polygon({(-2, 217), (10.9, 217), (10.9, -20), (-2, -20)}) → viewBoxLaTeX((((("\text{" * QUESTION) * "\\") * INSTRUCTIONS) * "}")) → TEXTPolygon({(-6.5, -25), (-6.5, 220), (-3, 220), (-3, -25)}) → roadVector((0, 0), (0, 220)) → yAxisVectorVector((0, 0), (11, 0)) → xAxisVectorLaTeX("\text{Time (seconds)}") → xLabelSegment((-4.75, -25), (-4.75, 220)) → roadDividerLaTeX("\text{Source: Vehicles - Guzaliia Filimonova/iStock/Getty Images}") → copyrightLaTeX(UnicodeToLetter[10003]) → cmarkLaTeX(UnicodeToLetter[10007]) → xmarkRemoveUndefined(Zip[If[A, B], A, {showGraphA, showGraphB, showGraphC, showGraphD}, B, {1, 2, 3, 4}]) → whoIsTrueLaTeX("\text{A}") → labelALaTeX("\text{B}") → labelBLaTeX("\text{C}") → labelCLaTeX("\text{D}") → labelDLaTeX((("\text{Graph " * If[activeAnimation ≟ 1, "A", If[activeAnimation ≟ 2, "B", If[activeAnimation ≟ 3, "C", "D"]]]) * " matches\\the animation.}")) → feedbackLaTeX("\text{Distance Vs. Time}") → titleRotateText(LaTeX["\text{Distance From Start of Road (metres)}"], 90°) → yLabel