5 6 x 4 3 2x
- 6 5 2x x 4 3 2x 2
- 5 x 1 4 2x 3 6
- 5 2x 6 )- 3 x 4 )= 7x
- X 6 2x 5 x 4 2x 3 2x 2 1
- X 3 5 x 4 7 6 2x 1 35
- F x )= 3x 6 2x 5 x 4 2x 3
- X 6 3 4 3x 5 2 2x 1
- 6 x 5 )+ 10y 3 2x y 4
- 2x 5 6 x 2 9 x 3 4
- 5 x 6 )+ 3x 3 4 2x 8
- Giải phương trình 5 6 x 4 3 2x
- 5 x 3 )+ 4 2x 6 )= 0
- 3 2x 5 )= 6 x 4 )+ 9
- 6 5 2x 7 x 4 3 6x
- 3 x 5 )/ 6 2x 4 7