披萨分着玩：可视化分数与除法入门

GeoGebra 命令及参数

1. Vector(C1, C2) → cTra
2. Corner(5) → dims
3. RandomElement({3, 2}) → bFive
4. Circle(C1, rCfr) → c
5. Circle(C2, rCfr) → d
6. Translate(C2, cTra) → C3
7. Circle(C3, rCfr) → e
8. Translate(C3, cTra) → C4
9. Circle(C4, rCfr) → f
10. Translate(C4, cTra) → C5
11. Circle(C5, rCfr) → g
12. Vector(R1, F) → qTra
13. Polygon(R1, R2, R3, R4) → q1, r1, r2, r3, r4
14. Translate(R1, qTra) → R1'
15. Translate(R2, qTra) → R2'
16. Translate(R3, qTra) → R3'
17. Translate(R4, qTra) → R4'
18. Polygon(R1', R2', R3', R4') → q2, r1', r2', r3', r4'
19. Translate(R1', qTra) → R1''
20. Translate(R2', qTra) → R2''
21. Translate(R3', qTra) → R3''
22. Translate(R4', qTra) → R4''
23. Polygon(R1'', R2'', R3'', R4'') → q3, r1'', r2'', r3'', r4''
24. Sequence(Rotate[A, ((2 * pi / b) * k), C1], k, 1, b) → settCfr1
25. CircleSector(C1, A, settCfr1(1)) → settc1pu
26. CircleSector(C1, settCfr1(1), settCfr1(2)) → settc1pi
27. CircleSector(C1, settCfr1(2), settCfr1(3)) → settc1bl
28. Translate(settc1pu, cTra) → settc2pu
29. Translate(settc1pu, Vector[(2 * cTra)]) → settc3pu
30. Translate(settc1pu, Vector[(3 * cTra)]) → settc4pu
31. Translate(settc1pu, Vector[(4 * cTra)]) → settc5pu
32. Translate(settc1pi, cTra) → settc2pi
33. Translate(settc1pi, Vector[(2 * cTra)]) → settc3pi
34. Translate(settc1pi, Vector[(3 * cTra)]) → settc4pi
35. Translate(settc1pi, Vector[(4 * cTra)]) → settc5pi
36. Translate(settc1bl, cTra) → settc2bl
37. Translate(settc1bl, Vector[(2 * cTra)]) → settc3bl
38. Translate(settc1bl, Vector[(3 * cTra)]) → settc4bl
39. Translate(settc1bl, Vector[(4 * cTra)]) → settc5bl
40. Translate(CT1, qTra) → CT1'
41. Translate(CT2, qTra) → CT2'
42. Translate(CT3, qTra) → CT3'
43. Translate(CT4, qTra) → CT4'
44. Translate(CT5, qTra) → CT5'
45. Translate(CT1, Vector[(2 * qTra)]) → CT1'_{1}
46. Translate(CT2, Vector[(2 * qTra)]) → CT2'_{1}
47. Translate(CT3, Vector[(2 * qTra)]) → CT3'_{1}
48. Translate(CT4, Vector[(2 * qTra)]) → CT4'_{1}
49. Translate(CT5, Vector[(2 * qTra)]) → CT5'_{1}
50. Vector(C1, CT1) → toq1c1
51. Vector(C2, CT2) → toq1c2
52. Vector(C3, CT3) → toq1c3
53. Vector(C4, CT4) → toq1c4
54. Vector(C5, CT5) → toq1c5
55. Vector(C1, CT1') → toq2c1
56. Vector(C2, CT2') → toq2c2
57. Vector(C3, CT3') → toq2c3
58. Vector(C4, CT4') → toq2c4
59. Vector(C5, CT5') → toq2c5
60. Vector(C1, CT1'_{1}) → toq3c1
61. Vector(C2, CT2'_{1}) → toq3c2
62. Vector(C3, CT3'_{1}) → toq3c3
63. Vector(C4, CT4'_{1}) → toq3c4
64. Vector(C5, CT5'_{1}) → toq3c5
65. Take({settc1bl, settc2bl, settc3bl, settc4bl, settc5bl}, 1, a) → allSecBlu
66. Take({settc1pi, settc2pi, settc3pi, settc4pi, settc5pi}, 1, a) → allSecPink
67. Take({settc1pu, settc2pu, settc3pu, settc4pu, settc5pu}, 1, a) → allSecPu
68. Take({CircleSector[C1, settCfr1(2), settCfr1(3)], Translate[settc1bl, cTra], Translate[settc1bl, Vector[(2 * cTra)]], Translate[settc1bl, Vector[(3 * cTra)]], Translate[settc1bl, Vector[(4 * cTra)]]}, 1, a) → allOutlinesBlu
69. Take({CircleSector[C1, settCfr1(1), settCfr1(2)], Translate[settc1pi, cTra], Translate[settc1pi, Vector[(2 * cTra)]], Translate[settc1pi, Vector[(3 * cTra)]], Translate[settc1pi, Vector[(4 * cTra)]]}, 1, a) → allOutlinesPink
70. Take({CircleSector[C1, A, settCfr1(1)], Translate[settc1pu, cTra], Translate[settc1pu, Vector[(2 * cTra)]], Translate[settc1pu, Vector[(3 * cTra)]], Translate[settc1pu, Vector[(4 * cTra)]]}, 1, a) → allOutlinesPu
71. Zip(Translate[p, Vector[q]], p, allSecBlu, q, If[2 ≤ aniSli ≤ 3, (allq3Vec * (aniSli - 2))]) → allTraBlu
72. Zip(Translate[p, Vector[q]], p, allOutlinesBlu, q, If[2 ≤ aniSli ≤ 3, (allq3Vec * (aniSli - 2))]) → allTraOutBlu
73. Zip(Translate[p, Vector[q]], p, allOutlinesPu, q, If[0 ≤ aniSli ≤ 1, (allq1Vec * aniSli), allq1Vec]) → allTraOutPu
74. Zip(Translate[p, Vector[q]], p, allSecPu, q, If[0 ≤ aniSli ≤ 1, (allq1Vec * aniSli), allq1Vec]) → allTraPu
75. Zip(Translate[p, Vector[q]], p, allSecPink, Vector[q], If[1 ≤ aniSli ≤ 2, (allq2Vec * (aniSli - 1)), 2 < aniSli ≤ 3, allq2Vec]) → allTraPink
76. Zip(Translate[p, Vector[q]], p, allOutlinesPink, Vector[q], If[1 ≤ aniSli ≤ 2, (allq2Vec * (aniSli - 1)), 2 < aniSli ≤ 3, allq2Vec]) → allTraOutPink
77. SelectedIndex(ddMenu) → is