交互式分数学习：可视化分数表示与运算

GeoGebra 命令及参数

1. Sum(On) → Clicked
2. Element(list4, Order, Pos) → Deno
3. Length(Element[list4, Order]) → NumFactor
4. If(Mod[Total, 5] ≟ 0, 5, 6) → X
5. If((Total * Nume / Deno) ≟ Clicked, true, false) → Correct
6. If((¬NewItem) ∧ Correct ∨ ShowAns, true, false) → Freeze
7. Polygon(M, N, 4) → poly1off, a, b, c, d, O, P
8. Polygon(M, N, 4) → poly1on, e, f, g, h, Q, R
9. Polygon(N, S, 4) → poly2off, i, j, k, l, T, U
10. Polygon(N, S, 4) → poly2on, m, n, p, q, V, W
11. Polygon(S, Z, 4) → poly3off, s, t, a_1, b_1, A_1, B_1
12. Polygon(S, Z, 4) → poly3on, c_1, d_1, e_1, f_1, C_1, D_1
13. Polygon(Z, A, 4) → poly4off, g_1, h_1, i_1, j_1, B, C
14. Polygon(Z, A, 4) → poly4on, k_1, l_1, m_1, n_1, E_1, F_1
15. Polygon(A, D, 4) → poly5off, p_1, q_1, r_1, s_1, G_1, H_1
16. Polygon(A, D, 4) → poly5on, t_1, a_2, b_2, c_2, I_1, J_1
17. Polygon(D, E, 4) → poly6off, d_2, e_2, f_2, g_2, K_1, L_1
18. Polygon(D, E, 4) → poly6on, h_2, i_2, j_2, k_2, M_1, N_1
19. Polygon(P, O, 4) → poly7off, l_2, m_2, n_2, p_2, F, O_1
20. Polygon(P, O, 4) → poly7on, q_2, r_2, s_2, t_2, P_1, Q_1
21. Polygon(O, V, 4) → poly8off, a_3, b_3, c_3, d_3, G, R_1
22. Polygon(O, V, G, F) → poly8on, o, v, g_3, f_3
23. Polygon(V, C, 4) → poly9off, e_3, h_3, i_3, j_3, H, S_1
24. Polygon(V, C, H, G) → poly9on, v_1, c_4, h_4, g_4
25. Polygon(C, B, 4) → poly10off, k_3, l_3, m_3, n_3, I, T_1
26. Polygon(C, B, I, H) → poly10on, c_5, b_4, i_4, h_5
27. Polygon(B, G_1, 4) → poly11off, p_3, q_3, r_3, s_3, J, U_1
28. Polygon(B, G_1, J, I) → poly11on, b_5, g_5, j_4, i_5
29. Polygon(G_1, K_1, 4) → poly12off, t_3, a_4, d_4, e_4, K, V_1
30. Polygon(G_1, K_1, K, J) → poly12on, g_6, k_4, k_5, j_5
31. FractionText(num / 12) → texte3
32. If(Clicked ≟ num, 1, 0) → val
33. If(num ≟ Clicked, 1, 0) → bb
34. Polygon(W_1, Z_1, A_2, B_2) → poly1, w_1, z_1, a_5, b_6
35. GCD(12, num) → rr
36. Segment(C_2, D_2) → f_4