向量的加法性质

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Vector(A, B) → u
3. Vector(A, C) → v
4. Vector(A, D) → w
5. OrthogonalLine(C, u) → a
6. OrthogonalLine(D, u) → b
7. Line(A, B) → c
8. Intersect(a, c) → E
9. Intersect(b, c) → F
10. Vector(A, E) → z
11. Vector(A, F) → d
12. Circle(A, B) → e
13. OrthogonalLine(A, u) → f
14. Circle(A, E) → g
15. Circle(A, F) → h
16. Intersect(g, f) → G, H
17. Intersect(h, f) → I, J
18. Line(D, v) → i
19. Line(C, w) → j
20. Intersect(i, j) → K
21. Vector(A, K) → k
22. OrthogonalLine(K, u) → l
23. Intersect(l, c) → L
24. Circle(A, L) → p
25. Intersect(p, f) → M, N
26. Vector(D, K) → m
27. Line(F, f) → n
28. Line(L, f) → q
29. Intersect(e, f) → O, P
30. Line(O, u) → r
31. Intersect(n, r) → Q
32. Intersect(q, r) → R
33. Polygon(A, F, Q, O) → poly1, a_1, f_1, q_1, o
34. Polygon(F, L, R, Q) → poly2, f_2, l_1, r_1, q_2
35. Segment(D, F) → s
36. Segment(K, L) → t
37. Segment(C, K) → b_1
38. Polygon(A, O, R, L) → poly3, a_2, o_1, r_2, l_2