利用泰勒斯定理绘制有理数

GeoGebra 命令及参数

1. Line(A, B) → a
2. Circle(A, 1) → c
3. Intersect(c, a, 2) → C
4. Segment(A, C) → b
5. Ray(A, D) → d
6. Intersect(c, d, 1) → E
7. Segment(A, E) → e
8. Circle(A, 2) → f
9. Circle(A, 3) → g
10. Circle(A, 4) → h
11. Circle(A, 5) → k
12. Intersect(f, d, 1) → F
13. Intersect(g, d, 1) → G
14. Intersect(h, d, 1) → H
15. Intersect(k, d, 1) → I
16. Segment(E, F) → i
17. Segment(F, G) → j
18. Segment(G, H) → l
19. Segment(H, I) → m
20. Line(C, I) → n
21. Line(H, n) → p
22. Line(G, p) → q
23. Line(F, q) → r
24. Line(E, r) → s
25. Intersect(a, s) → J
26. Intersect(a, r) → K
27. Intersect(a, q) → L
28. Intersect(a, p) → M
29. Segment(A, L) → t
30. Intersect(c, a, 1) → O
31. Intersect(f, a, 1) → P
32. Midpoint(P, O) → Q
33. Midpoint(P, Q) → R
34. Segment(A, R) → a_1