线性方程的图形解法

GeoGebra 命令及参数

1. Segment(A, B) → f
2. Segment(A_1, B_1) → f_1
3. Segment(A_2, B_2) → f_2
4. Segment(A_3, B_3) → f_3
5. Intersect(g, h) → C
6. Intersect(t, s) → D