长方体展开图探索

GeoGebra 命令及参数

1. Sequence(Mat * Element[cube, k], k, 1, 8) → cube'
2. Element(Element[AE, 3], 1) → droite
3. Sequence(I + (Element[cube', k, 1, 1], Element[cube', k, 2, 1]), k, 1, 8) → listepoints
4. Element(listepoints, 2) → A
5. Element(listepoints, 1) → E
6. Element(listepoints, 4) → C_1
7. Element(listepoints, 3) → D
8. Polygon(A, E, C_1, D) → poly1, a_1, b, c_1, d
9. Element(listepoints, 6) → B
10. Element(listepoints, 7) → F
11. Element(listepoints, 8) → G
12. Element(listepoints, 5) → H
13. Polygon(B, F, G, H) → poly2, e, f, g, h
14. Element(listepoints, 3) → C
15. Polygon(F, C, A, B) → poly3, f_1, i, a_2, b_1
16. Element(AB, 3, 1) → avant
17. Polygon(C_1, G, H, E) → poly4, c_2, g_1, h_1, e_1
18. Element(AC, 3, 1) → dessus
19. Polygon(F, C, C_1, G) → poly5, f_2, c_3, c_4, g_2
20. Polygon(A, B, H, E) → poly6, a_3, b_2, h_2, e_2
21. Segment(E, A) → c
22. Segment(A, C) → j
23. Segment(A, B) → k
24. Segment(C, C_1) → l
25. Segment(C_1, E) → m
26. Segment(A, B) → p
27. Segment(B, H) → q
28. Segment(H, E) → r
29. Segment(H, G) → s
30. Segment(B, F) → t
31. Segment(G, C_1) → d_1
32. Segment(F, G) → i_1
33. Segment(F, C) → j_1
34. Polygon(A, B, F', D') → poly7, a_4, b_3, f', d'
35. Polygon(E, A, D'', C') → poly8, e_3, a_5, d'', c'
36. Polygon(B, F'', G', H) → poly9, b_4, f'', g', h_3
37. Polygon(H, G'', C''', E) → poly10, h_4, g'', c''', e_4
38. Polygon(A_2, B_2, G'', C''') → poly11, a_6, b_5, g''_1, c'''_1