分数除法：3/4 除以 2

GeoGebra 命令及参数

1. Sequence((k, 0), k, 0, 12, 3) → l1
2. Sequence((k, 8), k, 0, 12, 3) → l2
3. Sequence(Segment[Element[l1, k], Element[l2, k]], k, 1, 5) → l3
4. Point(yAxis) → A
5. Point(l2) → B
6. Segment(A, B) → f
7. Intersect(xAxis, yAxis) → C
8. Point(xAxis) → D
9. Segment(C, D) → g
10. Segment(E, F) → h
11. If(0 ≤ a < 1, Segment[Dilate[E, a, E], Dilate[F, a, E]], If[a ≥ 1, h]) → i
12. Polygon(A, G, H, C) → q1, a_1, g_1, h_1, c
13. Point(l3) → K
14. Polygon(A, I, J, K) → q2, a_2, i_1, j, k
15. Polygon((0, 0), (3, 0), (3, 4), (0, 4)) → q3, l, m, n, p
16. Polygon((3, 0), (6, 0), (6, 4), (3, 4)) → q4, q, r, s, t
17. Polygon((3, 0), (6, 0), (6, 4), (3, 4)) → q5, d, e, f_1, j_1
18. Polygon((6, 0), (9, 0), (9, 4), (6, 4)) → q6, k_1, l_1, m_1, n_1
19. Polygon((6, 0), (9, 0), (9, 4), (6, 4)) → q7, p_1, q_1, r_1, s_1