乘以11和两位数平方的动态演示

GeoGebra 命令及参数

1. Textfield(a) → InputBox1
2. Textfield(b) → InputBox2
3. Textfield(c) → InputBox3
4. Polygon(A, B, C, D) → q1, a_1, b_1, c_1, d_1
5. Point(b_1) → E
6. Polygon(H, I, J, K) → q3, h, i, j, k
7. Polygon(L, M, N, O) → q4, l, m, n, o
8. Polygon(P, Q, R, S) → q5, p, q, r, s
9. Polygon(T, U, V, W) → q6, t, u, v, w
10. Polygon(Z, A_1, B_1, C_1) → q7, z_1, f_1, g_1, h_1
11. Polygon(D_1, E_1, F_1, G_1) → q8, i_1, j_1, k_1, l_1
12. Polygon(G, H_1, I_1, J_1) → q2, g, f, m_1, n_1
13. Midpoint(B_1, C_1) → K_1
14. Midpoint(L, O) → L_1
15. Midpoint(V, W) → M_1
16. Midpoint(W, T) → N_1
17. Midpoint(P, R) → O_1
18. Midpoint(L, U) → P_1
19. Midpoint(U, B_1) → R_1
20. Midpoint(T, V) → Q_1
21. Midpoint(D, C) → S_1
22. Midpoint(K, J) → T_1
23. Midpoint(D_1, G_1) → U_1
24. Midpoint(A, D) → V_1
25. Midpoint(G_1, E_1) → W_1
26. Midpoint(G_1, K) → Z_1
27. Midpoint(G, I_1) → A_2
28. Midpoint(H, J) → B_2
29. If(e < 0, false, true) → addrect
30. Midpoint(A, C) → C_2