长乘法演示

GeoGebra 命令及参数

1. Shuffle({1, 2, 3, 4}) → prob, {1, 4, 2, 3}
2. Polygon(E, F, 4) → poly4, h_1, i_1, j_1, k_1, G, H
3. Polygon(I, J, 4) → poly5, l_1, m_1, n_1, p_1, K, M
4. Polygon(J, N, 4) → poly6, q_1, r_1, s_1, t_1, O, P
5. Polygon(N, Q, 4) → poly7, e_1, f_2, g_2, h_2, R, S
6. Polygon(Q, T, 4) → poly8, i_2, j_2, k_2, l_2, U, V
7. Polygon(W, Z, 4) → poly9, m_2, n_2, p_2, q_2, A_1, B_1
8. Polygon(Z, C_1, 4) → poly10, r_2, s_2, t_2, a_2, D_1, E_1
9. Polygon(C_1, F_1, 4) → poly11, b_2, c_2, d_2, e_2, G_1, H_1
10. Polygon(F_1, I_1, 4) → poly12, f_3, g_3, h_3, i_3, J_1, K_1
11. Polygon(M_1, P_1, 4) → poly13, n_3, p_3, q_3, r_3, Q_1, R_1
12. Polygon(P_1, S_1, 4) → poly14, s_3, t_3, a_3, b_3, T_1, U_1
13. Polygon(S_1, V_1, 4) → poly15, c_3, d_3, e_3, f_4, W_1, Z_1
14. Polygon(V_1, A_2, 4) → poly16, g_4, h_4, i_4, j_4, B_2, C_2
15. Polygon(A_2, L_1, 4) → poly17, j_3, k_3, l_3, m_3, N_1, O_1
16. Polygon(L_1, D_2, 4) → poly18, k_4, l_4, m_4, n_4, E_2, F_2
17. Polygon(G_2, H_2, 4) → poly1, p_4, q_4, r_4, s_4, I_2, J_2
18. Segment(U_2, V_2) → a_5
19. Segment(W_2, Z_2) → b_5
20. Shuffle(L1) → L2, {17, 15, 8, 12, 14, 4, 16, 9, 18, 3, 2, 6, 13, 7, 10, 5, 1, 11}
21. Sort(Take[L2, 1, 5]) → L3
22. Take(L2, 6, 18) → L4
23. Text((p(6) * ((100 * p(1)) + (10 * p(2)) + p(3)))) → Line1
24. Text((p(5) * ((100 * p(1)) + (10 * p(2)) + p(3)))) → Line2
25. Text((p(4) * ((100 * p(1)) + (10 * p(2)) + p(3)))) → Line3
26. Take(Line1, 1, 1) → Answer1
27. Polygon(L, K_2, 4) → poly2, f, h, i, n, L_2, M_2
28. Polygon(N_2, Q_2, 4) → poly3, q, s, t, c, R_2, S_2
29. Take(Line1, 2, 2) → Answer2
30. Take(Line1, 3, 3) → Answer3
31. Take(Line1, 4, 4) → Answer4
32. Take(Line2, 1, 1) → Answer5
33. Take(Line2, 2, 2) → Answer6
34. Take(Line2, 3, 3) → Answer7
35. Take(Line2, 4, 4) → Answer8
36. Take(Line3, 1, 1) → Answer9
37. Take(Line3, 2, 2) → Answer10
38. Take(Line3, 3, 3) → Answer11
39. Take(Line3, 4, 4) → Answer12
40. Text((((100 * p(1)) + (10 * p(2)) + p(3)) * ((100 * p(4)) + (10 * p(5)) + p(6)))) → Line4
41. Take(Line4, 1, 1) → Answer13
42. Take(Line4, 2, 2) → Answer14
43. Take(Line4, 3, 3) → Answer15
44. Take(Line4, 4, 4) → Answer16
45. Take(Line4, 5, 5) → Answer17
46. Take(Line4, 6, 6) → Answer18
47. Circle(H_3, 0.4) → c_1
48. Polygon(U_3, W_3, Z_3, A_4) → white_{s}quare, u_3, w_3, z_3, g