2x 1 6 x 3 4
- 1 2x 5 6 3 x 4
- 4 2x 1 )- 6 3 x )=- 8
- 1 6 x 2 =- 2x 3 1 4
- X 3 2x 1 6 4 x 2 )/ 5
- 5 1 2x 4 3x 20 6 x 3
- X 3 4 2x 1 6 7 3
- 2x 1 6 3x 2x 1 2x 4 x 3 6x 12
- 2x 1 6 x 3 3 4x 1 3 x 6 2
- 2x 1 4 1 2 3x 1 6 x 3
- 2x 1 6x 4x 3
- 4x 3 2x 1 6 x 1
- 2x 1 3 x 3 6 x 3 4 2x 1 12
- 2x 1 3 x 4 2 5x 20 6
- 6 x 3 )+ 2x 4 2x 1 )- 22
- 1 4 6 2x x 3 5x