百子板加法演示

GeoGebra 命令及参数

1. OrthogonalLine(A_1, yAxis) → f_1
2. Circle(A_1, linelength) → c_1
3. Intersect(c_1, f_1, 2) → A
4. Sequence((x(A) + (i * beadsize), y(A)), i, 0, 9) → rowoneleft
5. Intersect(c_1, f_1, 1) → B
6. Sequence((x(B) + ((i - 9) * beadsize), y(B)), i, 0, 9) → rowoneright
7. Segment(Element[rowoneleft, 3], Element[rowoneright, 3]) → c
8. Segment(Element[rowoneleft, 4], Element[rowoneright, 4]) → d
9. Segment(Element[rowoneleft, 5], Element[rowoneright, 5]) → e
10. Segment(Element[rowoneleft, 6], Element[rowoneright, 6]) → f
11. Segment(Element[rowoneleft, 7], Element[rowoneright, 7]) → g
12. Segment(Element[rowoneleft, 8], Element[rowoneright, 8]) → h
13. Segment(Element[rowoneleft, 9], Element[rowoneright, 9]) → i
14. Segment(Element[rowoneleft, 10], Element[rowoneright, 10]) → j
15. Segment(Element[rowoneleft, 2], Element[rowoneright, 2]) → b
16. Segment(Element[rowoneleft, 1], Element[rowoneright, 1]) → a
17. Segment(A, B) → k
18. Point(a) → C
19. Point(b) → D
20. Point(c) → E
21. Point(d) → F
22. Point(e) → G
23. Point(f) → H
24. Point(g) → I
25. Point(h) → J
26. Point(i) → K
27. Point(j) → L
28. Point(a) → M
29. Point(b) → N
30. Point(c) → O
31. Point(d) → P
32. Point(e) → Q
33. Point(f) → R
34. Point(g) → S
35. Point(h) → T
36. Point(i) → U
37. Point(j) → V
38. Circle(W, linelength) → p
39. Line(W, f_1) → l
40. Intersect(p, l, 2) → Z
41. Intersect(p, l, 1) → B_1
42. Sequence((x(Z) + (i * beadsize), y(Z)), i, 0, 9) → rowtwoleft
43. Sequence((x(B_1) + ((i - 9) * beadsize), y(B_1)), i, 0, 9) → rowtworight
44. Segment(Z, B_1) → m
45. Segment(Element[rowtwoleft, 1], Element[rowtworight, 1]) → n
46. Segment(Element[rowtwoleft, 2], Element[rowtworight, 2]) → q
47. Segment(Element[rowtwoleft, 3], Element[rowtworight, 3]) → r
48. Segment(Element[rowtwoleft, 4], Element[rowtworight, 4]) → s
49. Segment(Element[rowtwoleft, 5], Element[rowtworight, 5]) → t
50. Segment(Element[rowtwoleft, 6], Element[rowtworight, 6]) → g_1
51. Segment(Element[rowtwoleft, 7], Element[rowtworight, 7]) → h_1
52. Segment(Element[rowtwoleft, 8], Element[rowtworight, 8]) → i_1
53. Segment(Element[rowtwoleft, 9], Element[rowtworight, 9]) → j_1
54. Segment(Element[rowtwoleft, 10], Element[rowtworight, 10]) → k_1
55. Point(n) → C_1
56. Point(n) → D_1
57. Point(q) → E_1
58. Point(q) → F_1
59. Point(r) → G_1
60. Point(r) → H_1
61. Point(s) → I_1
62. Point(s) → J_1
63. Point(t) → K_1
64. Point(t) → L_1
65. Point(g_1) → M_1
66. Point(g_1) → N_1
67. Point(h_1) → O_1
68. Point(h_1) → P_1
69. Point(i_1) → Q_1
70. Point(i_1) → R_1
71. Point(j_1) → S_1
72. Point(j_1) → T_1
73. Point(k_1) → U_1
74. Point(k_1) → V_1
75. Textfield(inputonetext) → inputone
76. Textfield(inputtwotext) → inputtwo