3 2x 1 2 x 4 )= 6
- 3 2 x 4 )= 1 2x 6 5
- 3 x 2 )+ 4 2x 1 )= 6x 20
- 2x 1 3 x 2 2 5x 4 6
- 3x 4 )( 2x 1 )-( x 2 )( 6x 3
- X 2x 8 3 1 4 x 2 x 6
- 7x 1 )/ 4 1 3 * 2x 1 x )/ 2 6 1 3
- 3 2x 1 2 6 3x 5 4 x
- 2x 3 1 6x x 4 2 0
- X 3 2 2x 1 2 3x 4 6 x
- 3 x 2 )+ 4 2x 1 )= 11x 2 x 6
- 2x 1 3 x 4 2 5x 20 6
- 2x 3 x 1 2 7x 1 4 13 6
- 6x 3 2x 1 ) 7 4 x 2
- 1 2 8x 6 )+ 2x 3 x 4
- 2x 3 4 x 5 1 6 )= 2 15