分数乘法几何演示 by Lee W Fisher

GeoGebra 命令及参数

1. Polygon(A, B, C, D) → q1, a, b, c, d
2. Point(d) → E
3. Segment(E, F) → f
4. Point(d) → G
5. Segment(G, H) → g
6. Point(b) → I
7. Point(d) → J
8. Segment(I, J) → h
9. Segment(K, L) → i
10. Polygon(A_1, B_1, C_1, D_1) → q1_1, a_1, b_1, c_1, d_1
11. Point(d_1) → E_1
12. Segment(E_1, F_1) → f_1
13. Point(d_1) → G_1
14. Segment(G_1, H_1) → g_1
15. Point(b_1) → I_1
16. Point(d_1) → J_1
17. Segment(I_1, J_1) → h_1
18. Segment(K_1, L_1) → i_1
19. Point(d_1) → M
20. Point(b_1) → N
21. Segment(M, N) → j
22. Point(d_1) → O
23. Segment(O, P) → k
24. Point(d_1) → Q
25. Segment(Q, R) → l
26. Point(d_1) → S
27. Point(b_1) → T
28. Segment(S, T) → m
29. Point(d_1) → U
30. Point(b_1) → V
31. Segment(U, V) → n
32. Point(d_1) → W
33. Point(b_1) → Z
34. Segment(W, Z) → p
35. Point(d_1) → M_1
36. Segment(M_1, N_1) → q
37. Point(d_1) → O_1
38. Segment(O_1, P_1) → r
39. Point(d_1) → Q_1
40. Point(b_1) → R_1
41. Segment(Q_1, R_1) → s
42. Point(d_1) → S_1
43. Point(b_1) → T_1
44. Segment(S_1, T_1) → t
45. Polygon(A, B, K, L) → q2, a_2, b_2, k_1, l_1
46. Polygon(A_2, B_2, C_2, D_2) → q1_2, a_3, b_3, c_2, d_2
47. Point(d_2) → E_2
48. Segment(E_2, F_2) → f_2
49. Point(d_2) → G_2
50. Segment(G_2, H_2) → g_2
51. Point(b_3) → I_2
52. Point(d_2) → J_2
53. Segment(I_2, J_2) → h_2
54. Segment(K_2, L_2) → i_2
55. Point(d_2) → M_3
56. Point(b_3) → N_3
57. Segment(M_3, N_3) → j_1
58. Point(d_2) → O_3
59. Segment(O_3, P_3) → k_2
60. Point(d_2) → Q_3
61. Segment(Q_3, R_3) → l_2
62. Point(d_2) → S_3
63. Point(b_3) → T_3
64. Segment(S_3, T_3) → m_1
65. Point(d_2) → U_1
66. Point(b_3) → V_1
67. Segment(U_1, V_1) → n_1
68. Point(d_2) → W_1
69. Point(b_3) → Z_1
70. Segment(W_1, Z_1) → p_1
71. Point(d_2) → M_2
72. Segment(M_2, N_2) → q_1
73. Point(d_2) → O_2
74. Segment(O_2, P_2) → r_1
75. Point(d_2) → Q_2
76. Point(b_3) → R_2
77. Segment(Q_2, R_2) → s_1
78. Point(d_2) → S_2
79. Point(b_3) → T_2
80. Segment(S_2, T_2) → t_1
81. Polygon(A_1, B_1, K_1, L_1) → q3, a_4, b_4, k_3, l_3
82. Polygon(A_2, B_2, P_3, O_3) → q4, a_5, b_5, p_3, o_3
83. Polygon(E_2, F_2, T_3, S_3) → q5, e_2, f_3, t_3, s_3
84. Polygon(G_2, H_2, Z_1, W_1) → q6, g_3, h_3, z_1, w_1
85. Polygon(J_2, O_2, P_2, I_2) → q7, j_2, o_2, p_2, i_3
86. Polygon(A_2, B_2, K_2, L_2) → q8, a_6, b_6, k_4, l_4
87. Polygon(A_3, B_3, C_3, D_3) → q1_3, a_7, b_7, c_3, d_3
88. Point(d_3) → E_3
89. Segment(E_3, F_3) → f_4
90. Point(d_3) → G_3
91. Segment(G_3, H_3) → g_4
92. Point(b_7) → I_3
93. Point(d_3) → J_3
94. Segment(I_3, J_3) → h_4
95. Segment(K_3, L_3) → i_4
96. Point(d_3) → M_5
97. Point(b_7) → N_5
98. Segment(M_5, N_5) → j_3
99. Point(d_3) → O_5
100. Segment(O_5, P_5) → k_5
101. Point(d_3) → Q_5
102. Segment(Q_5, R_5) → l_5
103. Point(d_3) → S_4
104. Point(b_7) → T_4
105. Segment(S_4, T_4) → m_2
106. Point(d_3) → U_2
107. Point(b_7) → V_2
108. Segment(U_2, V_2) → n_2
109. Point(d_3) → W_2
110. Point(b_7) → Z_2
111. Segment(W_2, Z_2) → p_4
112. Point(d_3) → M_4
113. Segment(M_4, N_4) → q_2
114. Point(d_3) → O_4
115. Segment(O_4, P_4) → r_2
116. Point(d_3) → Q_4
117. Point(b_7) → R_4
118. Segment(Q_4, R_4) → s_2
119. Point(d_3) → S_5
120. Point(b_7) → T_5
121. Segment(S_5, T_5) → t_2
122. Polygon(A_3, B_3, K_3, L_3) → q8_1, a_8, b_8, k_6, l_6
123. Polygon(A_3, D_3, C_3, B_3) → q9, a_{10}, d_4, c_4, b_{10}
124. Intersect(a_8, l_6) → U_3
125. Intersect(a_8, b_8) → V_3
126. Intersect(p_4, b_8) → W_3
127. Point(p_4) → Z_3
128. Polygon(U_3, V_3, W_3, Z_3) → q10, u_3, v_3, w_3, z_3