饼图解释

GeoGebra 命令及参数

1. Random(1, 5) → display
2. Random(1, 5) → display2
3. Remove({1, 2, 3, 4, 5}, {display2, display}) → list
4. Element(a, Random[1, 20]) → total
5. Random(1, total - 4) → blue
6. Random(1, total - blue - 3) → green
7. Random(1, total - blue - green - 2) → orange
8. Circle(A, B) → c
9. Point(c) → D
10. Rotate(D, (-(((blue * multiplier))°)), A) → D'
11. Angle(D', A, D) → α
12. CircleSector(A, D', D) → d
13. Rotate(D, ((green * multiplier))°, A) → D'_1
14. Angle(D, A, D'_1) → β
15. CircleSector(A, D, D'_1) → e
16. Random(1, total - blue - green - orange - 1) → red
17. Random(total - blue - green - orange - red, total - blue - green - orange - red) → purple
18. Rotate(D'_1, ((orange * multiplier))°, A) → G
19. Angle(D'_1, A, G) → γ
20. CircleSector(A, D'_1, G) → f
21. Rotate(G, ((red * multiplier))°, A) → G'
22. Angle(G, A, G') → δ
23. CircleSector(A, G, G') → g
24. Rotate(G', ((purple * multiplier))°, A) → G''
25. Angle(G', A, G'') → ε
26. CircleSector(A, G', D') → h
27. Segment(O, P) → k
28. Rotate(D', α / 2, A) → D''
29. Angle(D', A, D'') → ζ
30. Rotate(D, β / 2, A) → D'_2
31. Angle(D, A, D'_2) → η
32. Rotate(D'_1, γ / 2, A) → H
33. Angle(D'_1, A, H) → θ
34. Rotate(G, δ / 2, A) → G'_1
35. Angle(G, A, G'_1) → ι
36. Rotate(G', ε / 2, A) → G''_1
37. Angle(G', A, G''_1) → κ
38. RandomElement(list) → missing