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十进制数的几何表示

十进制数的几何表示
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2020-04-01 19:00
函数解析几何几何作图
这个范例通过几何图形展示了十进制数的概念。它涉及到了数的进位和借位，以及如何通过几何图形直观地理解这些概念。构造过程中使用了Polygon, Line, Intersect等命令，适合小学高年级和初中学生学习数的概念。

GeoGebra 命令及参数

  1. Polygon(A, B, C, D) → poly1, a_1, b_1, c_1, d_1
  2. Polygon(D, E, F, C) → poly2, d_2, e, f, c_2
  3. Polygon(E, G, I, F) → poly3, e_1, g, i, f_1
  4. Polygon(G, J, K, I) → poly4, g_1, j, k, i_1
  5. Polygon(J, L, M, K) → poly5, j_1, l, m, k_1
  6. Polygon(L, N, O, M) → poly6, l_1, n, o, m_1
  7. Polygon(N, P, Q, O) → poly7, n_1, p, q, o_1
  8. Polygon(P, R, S, Q) → poly8, p_1, r, s, q_1
  9. Polygon(R, V, W, S) → poly9, r_1, v, w, s_1
  10. Line(A, B) → h
  11. Line(C, D) → t
  12. Line(F, E) → h_1
  13. Line(I, G) → t_1
  14. Line(K, J) → f_2
  15. Line(M, L) → g_2
  16. Line(O, N) → h_2
  17. Line(Q, P) → i_2
  18. Line(S, R) → j_2
  19. Line(W, V) → k_2
  20. Intersect(h, l_2) → Z
  21. Intersect(t, l_2) → A_1
  22. Intersect(t, m_2) → B_1
  23. Intersect(h, m_2) → C_1
  24. Polygon(Z, A_1, B_1, C_1) → poly10, z_1, a_2, b_2, c_3
  25. Intersect(h_1, l_2) → D_1
  26. Intersect(h_1, m_2) → E_1
  27. Polygon(A_1, D_1, E_1, B_1) → poly11, a_3, d_3, e_2, b_3
  28. Intersect(t_1, l_2) → F_1
  29. Intersect(t_1, m_2) → G_1
  30. Polygon(D_1, F_1, G_1, E_1) → poly12, d_4, f_3, g_3, e_3
  31. Intersect(f_2, l_2) → H_1
  32. Intersect(f_2, m_2) → I_1
  33. Polygon(F_1, H_1, I_1, G_1) → poly13, f_4, h_3, i_3, g_4
  34. Intersect(g_2, l_2) → J_1
  35. Intersect(g_2, m_2) → K_1
  36. Polygon(H_1, J_1, K_1, I_1) → poly14, h_4, j_3, k_3, i_4
  37. Intersect(h_2, l_2) → L_1
  38. Intersect(h_2, m_2) → M_1
  39. Polygon(J_1, L_1, M_1, K_1) → poly15, j_4, l_3, m_3, k_4
  40. Intersect(i_2, l_2) → N_1
  41. Intersect(i_2, m_2) → O_1
  42. Polygon(L_1, N_1, O_1, M_1) → poly16, l_4, n_2, o_2, m_4
  43. Intersect(j_2, l_2) → P_1
  44. Intersect(j_2, m_2) → Q_1
  45. Polygon(N_1, P_1, Q_1, O_1) → poly17, n_3, p_2, q_2, o_3
  46. Intersect(k_2, l_2) → R_1
  47. Intersect(k_2, m_2) → S_1
  48. Polygon(P_1, R_1, S_1, Q_1) → poly18, p_3, r_2, s_2, q_3