3 x 2 )- 5 x 1 )=- 7
- 3 * 5 x 3 2 * 5 x 1 77
- 3 x 2 )+ 2 x 1 )= 5x 7
- 2 5 x 1 7 x 3 4
- 2 5 x 1 3 x 7 8
- 7x x 2 )- 5 x 1 )= 7x 2 3
- 3 x 1 )( x 7 )-( 2x 5 2
- 3 7 x 5 9 x 1 2
- 3 1 2 x )- 5 x 1 10 )=- 7 4
- X 5 2 3x 7 1 x
- 5 2x 3 )( x 2 )- 2 5x 4 )( x 1 )= 75
- 7x x 2 )- 5 x 1 )= 21x 2 14x 2 3
- 4 3 x 2 )+ x 5 x 1 )- 7x
- 3 45 2 5 x 1 78
- 3 45 2 5 x 1 75
- 3 5x 2 3x x 1 7 =- 5 21