A (- 2 3 b 1 1 c 2 4
- A 2 3 b 1 2 c =- 1 4
- A 1 2 b 1 2 3 4 c 5 6
- If a 3 4 b =- 1 2 c 1 2 verify
- A 1 2 3 4 b 1 1 0 2 2 c 1 3 4 are subset of which set
- In the triangle abc with vertices a 2 3 b 4 1 c 1 2
- Cho 3 điểm a 2 0 b 4 1 c 1 2
- List the points a 3 2 4 b 1 1 1 c 1 4 2 are collinear
- Let a 1 2 b 1 2 3 4 c 5 6
- Show that the points a 3 2 4 b 1 1 1 c (- 1 4 2 are collinear
- A 1 2 3 4
- A 1 2 3 4 5 6
- (a+b+c) 3