8x 7 3 2x 1
- 8x x 7 )- 3 x 7 )/ 2x 14
- 4 x 2 7 8x 3 2x /- 10
- 2x 7 3 8x 9 14 3x 5 21
- 8x 3 2x 7 )=- 19
- 3 (- 8x 7 )=- 12 2x 2
- 7 8x 3 4 1 2x 3 2
- 8x 1 )( x 7 2x 3 )( 4x 5
- 1 5 6 8x )=- 7 3 2x
- X 7 8x 4 2x 3 16
- 6x 3 2x 8x 7 10
- 8x 7 2x 8 10 2x 3
- 3 8x 4 )- 7 6x 2 2x 1
- 3 1 2x )- 7 8x 1 )=- 40
- 2 3x 1 7 8x 3 2x
- 3x 1 7 8x 3 2x