矩形的周长 by Math Teachers' Adventure of ICT Integration

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Segment(B, C) → b
3. Segment(C, D) → c
4. Segment(D, E) → d
5. Segment(E, F) → e
6. Segment(F, G) → f
7. Segment(G, H) → g
8. Segment(H, I) → h
9. Segment(J, I) → i
10. Segment(J, K) → j
11. Segment(A, L) → k
12. Segment(L, M) → l
13. Segment(M, N) → m
14. Segment(N, K) → n
15. Polygon(A, D, H, K) → poly1, a_1, d_1, h_1, k_1
16. If(p ≥ 1 ∧ p < 5, T5, If[p ≥ 5 ∧ p < 8, T6, If[p ≥ 8 ∧ p < 12, T7, If[p ≥ 12 ∧ p < 15, T8, If[p ≟ 15, T9, T10]]]]) → T21
17. If(o ≥ 1 ∧ o < 8, T5, If[o ≥ 8 ∧ o < 14, T11, If[o ≟ 14, T12, T10]]) → T22
18. If(q ≥ 1 ∧ q < 5, T5, If[q ≥ 5 ∧ q < 9, T13, If[q ≟ 9, T14, T10]]) → T23
19. Segment(M, P) → s
20. Segment(F, Q) → t
21. Segment(R, S) → a1
22. Segment(I, T) → b1
23. Segment(D, O) → c1