花箱体积计算 by Danielle (2)

GeoGebra 命令及参数

1. Function(((x * (length_1 - (2 * x))) * (width - (2 * x))), 0, Vright) → V
2. Segment(B, C) → b
3. Rotate(B, α, A) → B'
4. Line(B', A) → s
5. Line(Ax, s) → s1
6. Segment(A, B) → a
7. Line(C, a) → r
8. Intersect(s, r) → D
9. Line(Dy, r) → r1
10. Intersect(r1, b) → Cy
11. Segment(Dy, Cy) → l_3
12. Segment(C, D) → c
13. Intersect(s1, c) → Dx
14. Segment(Ax, Dx) → d1
15. Intersect(d1, l_3) → D1
16. Line(B, s) → q
17. Line(Bx, q) → q1
18. Intersect(q1, c) → Cx
19. Segment(Bx, Cx) → b1
20. Intersect(b1, l_3) → C1
21. Line(A, B) → p
22. Line(Ay, p) → p1
23. Intersect(p1, b) → By
24. Segment(Ay, By) → a1
25. Intersect(d1, a1) → A1
26. Intersect(b1, a1) → B1
27. Angle(B, A, B') → β
28. Segment(D, A) → d
29. Polygon(A1, A2a, B2a, B1) → poly1, e, f, g, h_1
30. Polygon(B1, B2b, C2b, C1) → poly2, i, j, k, l_2
31. Polygon(C1, C2c, D2c, D1) → poly3, c_1, d_1, e_1, f_1
32. Polygon(D1, D2d, A2d, A1) → poly4, m, n, a_1, b_1
33. Derivative(V) → Vder
34. Root(Vder) → tMax_1, tMax_2
35. Min(x(tMax_1), x(tMax_2)) → tMax
36. Segment(tMax_1, P) → g_1
37. Intersect(l_3, d1) → E
38. Intersect(l_3, b1) → F
39. Intersect(b1, a1) → G
40. Intersect(d1, a1) → H
41. Polygon(E, F, G, H) → poly5, e_2, f_2, g_2, h_2
42. Intersect(l_3, d1) → I
43. Intersect(l_3, b1) → J
44. Segment(I, J) → len1
45. Intersect(d1, a1) → K
46. Segment(I, K) → j_1
47. Intersect(b1, a1) → L
48. Segment(K, L) → k_1
49. Segment(L, J) → width1
50. Intersect(l_3, d1) → N
51. Intersect(l_3, b1) → O
52. Segment(N, O) → m_1
53. Intersect(k, l_2) → Q
54. Intersect(c, c_1) → R
55. Point(b) → S
56. Intersect(b, c) → T
57. Polygon(R, Q, S, T) → poly6, r_1, q_1, s_1, t_1