除以分数：求1的几何意义

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Point(xAxis) → B
3. Polygon(A, B, 6) → poly1, a, F, b, c, d, e, f, C, D, E
4. Polygon(B, G, H, C) → poly2, b_1, g, h, c_1
5. Polygon(H, I, D, C) → poly3, h_1, i, d_1, c_2
6. Polygon(A, B, C, F) → poly4, a_1, b_2, c_3, f_1
7. Mirror(A, xAxis) → A'
8. Mirror(B, xAxis) → B'
9. Mirror(C, xAxis) → C'
10. Mirror(F, xAxis) → F'
11. Polygon(A', B', C', F') → poly4', a', b', c', f'
12. Mirror(B, xAxis) → B'_1
13. Mirror(G, xAxis) → G'
14. Mirror(H, xAxis) → H'
15. Mirror(C, xAxis) → C'_1
16. Polygon(B'_1, G', H', C'_1) → poly2', b'_1, g', h', c'_1
17. Segment(F, E) → j
18. Segment(E, D) → k