击破气球3

GeoGebra 命令及参数

1. RandomElement({-1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, 6}) → a, -4
2. Point(xAxis) → O
3. RandomElement({-1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, 6}) → b, 5
4. Circle(P, 5) → c
5. OrthogonalLine(P, yAxis) → f
6. Line(P, yAxis) → g
7. Intersect(c, g, 2) → B
8. Intersect(c, g, 1) → C
9. Intersect(c, f, 2) → D
10. Intersect(c, f, 1) → E
11. Textfield(ans) → InputBox1
12. Intersect(f, p) → G
13. Circle(O, r) → d
14. Ray(O, G) → i
15. Intersect(d, i, 1) → H
16. Circle(O, r - 1) → e
17. Intersect(e, i, 1) → I
18. Vector(I, H) → u
19. Ray(O, Q) → h
20. Intersect(d, h, 1) → A
21. Circle(O, r - 1) → k
22. Intersect(k, h, 1) → F
23. Vector(F, A) → v
24. Defined(ans) → ansvalue
25. IsInRegion(P, d) → PinD
26. Line(O, P) → j
27. Segment(O, P) → l