有理数加减法几何模型 by Matthew Cox

GeoGebra 命令及参数

1. Line(A, B) → a
2. Point(a) → C
3. Circle(C, 4) → k
4. OrthogonalLine(C, a) → d
5. Intersect(k, d, 1) → J_1
6. Circle(C, 2) → p
7. Intersect(p, d) → I_1, L_5
8. Vector(L_5, P_2) → u_1
9. Circle(M_1, 1) → q
10. Circle(L_5, 1) → g
11. Intersect(g, d, 1) → N_1
12. OrthogonalLine(N_1, d) → i
13. Intersect(q, i) → O_1, P_1
14. Intersect(p, d, 1) → M_2
15. Vector(I_1, L_1) → v
16. Intersect(k, d, 2) → R_1
17. Circle(R_1, N_1) → r
18. Intersect(r, d, 2) → S_1
19. Circle(M_3, 1) → q_1
20. Intersect(q_1, i_1, 1) → N_2
21. Translate(N_2, v) → Q_2
22. Point(a) → D
23. Point(a) → E
24. Point(a) → F
25. Point(a) → G
26. Point(a) → H
27. Point(a) → I
28. Point(a) → J
29. Point(a) → K
30. Point(a) → L
31. Point(a) → M
32. Point(a) → N
33. Point(a) → O
34. Point(a) → P
35. Point(a) → Q
36. Point(a) → R
37. Point(a) → S
38. Point(a) → T
39. Point(a) → U
40. Point(a) → V
41. Point(a) → W
42. Point(a) → Y
43. Point(a) → Z
44. Point(a) → A_1
45. Point(a) → B_1
46. Point(a) → C_1
47. Point(a) → D_1
48. Point(a) → E_1
49. Point(a) → F_1
50. Point(a) → G_1
51. Point(a) → H_1
52. OrthogonalLine(I_1, d) → e
53. OrthogonalLine(L_5, d) → h
54. OrthogonalLine(J_1, d) → f
55. Vector(J_1, K_1) → u
56. Vector(L_5, M_1) → w
57. Translate(O_1, u_1) → Q_1
58. Vector(O_1, Q_1) → z
59. OrthogonalLine(S_1, d) → j
60. Vector(S_1, T_1) → l
61. Segment(J_1, S_1) → m
62. Segment(M_1, O_1) → t
63. OrthogonalLine(K_1, a) → n
64. Intersect(n, a) → U_1
65. OrthogonalLine(L_1, a) → s
66. OrthogonalLine(T_1, a) → a_1
67. Intersect(s, a) → W_1
68. Intersect(a_1, a) → Y_1
69. Segment(T_1, Y_1) → c_1
70. Segment(L_1, W_1) → d_1
71. Segment(I_1, L_1) → b_2
72. Segment(J_1, K_1) → e_1
73. Segment(L_5, M_1) → f_1
74. Segment(T_1, S_1) → h_1
75. Midpoint(J_1, K_1) → Z_1
76. Midpoint(I_1, L_1) → A_2
77. Midpoint(L_5, M_1) → B_2
78. Midpoint(Q_1, O_1) → C_2
79. Point(a) → V_1
80. Point(a) → D_2
81. Point(a) → E_2
82. Point(a) → F_2
83. Point(a) → G_2
84. Point(a) → H_2
85. Point(a) → I_2
86. Point(a) → J_2
87. Point(a) → K_2
88. Point(a) → L_2
89. Circle(M_2, 1) → g_1
90. Vector(M_2, M_3) → w_1
91. Vector(N_2, Q_2) → z_1
92. Midpoint(Q_2, N_2) → C_3
93. Midpoint(M_2, M_3) → O_2
94. Segment(N_2, M_4) → j_1
95. OrthogonalLine(P_2, a) → s_1
96. OrthogonalLine(R_2, a) → k_1
97. OrthogonalLine(P_2, a) → l_1
98. Mirror(Q_1, O_1) → T_2
99. Vector(O_1, T_2) → v_1
100. Midpoint(T_2, O_1) → U_2
101. OrthogonalLine(T_2, a) → m_1
102. Intersect(m_1, a) → S_2