X 4 6 2x 3 2 1
- X 6 2x 5 x 4 2x 3 2x 2 1
- 2x 4 2x 3 11x 2 x 6
- 2x 4 2x 3 11x 2 x 6 0
- 4 x 2 )= 10 2x 3 )+ 6
- 6 x 2 4 )- 4x x 3 )= 2x 2 12x 12
- 2x 4 x 3 14x 2 19x 6
- 2x 3 4 x 2 6 3x 12
- X 4 1 2 6 x 7x 3 6 2x 1
- X 4 2x 3 3x 2 4x 6 )/( x 2 2x 1
- 5 x 3x 6 2x 3 2x 4 1 2
- X 2 4 2x 3 3 x 18 6
- X 4 5x 3 2x 2 112x 6 0
- X 4 3 2x 1 6 5x 1 2
- 3 x 4 2 3x 6 2x 7x 1
- X 4 3 y 6 1 2x y =- 2