矩形泳池四周的正方形瓷砖与代数表达式

GeoGebra 命令及参数

1. Polygon(A, B, C, D) → PoolPolygon, a_1, b_1, c, d
2. Sequence(Segment[(x(E), y(E) + a * i), (x(E) + (length + 2.0) * a, y(E) + a * i)], i, 0.0, width + 2.0) → horizontallines
3. Sequence(Segment[(x(E) + a * i, y(E)), (x(E) + a * i, y(E) + (width + 2.0) * a)], i, 0.0, length + 2.0) → verticallines
4. Polygon(E, I, A, P) → Method1PolyA, e, i, a_2, p
5. Polygon(I, J, B, A) → Method1PolyB, i_1, j, b, a_3
6. Polygon(J, F, K, B) → Method1PolyC, j_1, f, k, b_2
7. Polygon(B, K, L, C) → Method1PolyD, b_3, k_1, l, c_1
8. Polygon(C, L, G, M) → Method1PolyE, c_2, l_1, g, m
9. Polygon(D, C, M, N) → Method1PolyF, d_1, c_3, m_1, n
10. Polygon(O, D, N, H) → Method1PolyG, o, d_2, n_1, h
11. Polygon(P, A, D, O) → Method1PolyH, p_1, a_4, d_3, o_1
12. Polygon(E, F, K, P) → Method2PolyA, e_1, f_1, k_2, p_2
13. Polygon(O, L, G, H) → Method2PolyB, o_2, l_2, g_1, h_1
14. Polygon(P, A, D, O) → Method2PolyC, p_3, a_5, d_4, o_3
15. Polygon(B, K, L, C) → Method2PolyD, b_4, k_3, l_3, c_4
16. Polygon(E, J, B, P) → Method3PolyA, e_2, j_2, b_5, p_4
17. Polygon(J, F, L, C) → Method3PolyB, j_3, f_2, l_4, c_5
18. Polygon(D, L, G, N) → Method3PolyC, d_5, l_5, g_2, n_2
19. Polygon(P, A, N, H) → Method3PolyD, p_5, a_6, n_3, h_2
20. Polygon(O, L, G, H) → Method4PolyA, o_4, l_6, g_3, h_3
21. Polygon(E, I, D, O) → Method4PolyB, e_3, i_2, d_6, o_5
22. Polygon(J, F, L, C) → Method4PolyC, j_4, f_3, l_7, c_6
23. Polygon(I, J, B, A) → Method4PolyD, i_3, j_5, b_6, a_7
24. Polygon(U, V, W, Z) → poly1, u, v, w, z
25. Polygon(V, A_1, B_1, W) → poly2, v_1, a_8, b_7, w_1
26. Midpoint(a_1) → C_1
27. Midpoint(d) → D_1