三维空间中的向量 by James McMullan (2)

GeoGebra 命令及参数

1. Segment(D, E) → d
2. Segment(E, C) → e
3. Segment(C, B) → h
4. Segment(B, A) → l
5. Segment(B, P) → m
6. Segment(P, E) → n
7. Segment(D, F) → p
8. Segment(F, P) → q
9. Segment(F, A) → r
10. Vector(O, P) → u
11. Polygon(O + (2 * i) + (2 * k), O + (2 * i) - (2 * k), O - (2 * i) - (2 * k), O - (2 * i) + (2 * k)) → P1, s, t, a_1, b_1
12. Polygon(O + (2 * j) + (2 * k), O + (2 * j) - (2 * k), O - (2 * j) - (2 * k), O - (2 * j) + (2 * k)) → poly1, c_1, d_1, e_1, f_1
13. Polygon(O + (2 * i) + (2 * j), O + (2 * i) - (2 * j), O - (2 * i) - (2 * j), O - (2 * i) + (2 * j)) → poly2, g_1, h_1, i_1, j_1