3 x 5 )= 4 2x 1 ) 1

- 3 x 5 )= 4 2x 1 )+ 1
- 2 3x 4 )- 5 2x 1 )= 10
- 3 5 x 4 )- 1 3 2x 9 )= 1 4 x 1 )- 2
- 3x 1 4 2x 3 5 1 x 10
- 4 7x 15 1 x 3 4 2x 1 5
- 3 x 4 )- 5 2x 1 )= 10
- 3 2x 1 4 )= 5 x 1 2
- 3 x 2 )- 5 2x 1 )+ 2 3x 4 )+ 10 =- x
- 4x 5 )( 2x 3 )- 4 x 2 )( 2x 1 )+( 10x 7
- 4 x 3 5 2x 1 13
- 5 x 3 )= 4 2x 14 )- 1
- 3 3x 1 )- 4 5 2x )=- 10
- 3x 5 2x 4 x 1 10
- 3 5 x 4 )- 2 3 2x 1 )= 1 15
- 3 x 5 )+ 1 4 2x 1 )= 2 x 7 )- 1