4x 7 1 2 2x 3
- X 4x 1 7 x 2 2x 3x 8 x 6
- 4x 7 2x 2 3x 3 )- 1
- 4x 1 2 3 2x 8x 1 7
- 4x 2 1 =( 2x 1 )( 3x 7
- 4x 1 3 2x 1 2 3x 7 5 6
- 2x 6 1 4 3 4x 7 1 2
- 4x 5 2 3 2x 8x 1 7
- 3x 2 7 4x 1 5 2 3 2x 1
- 4x 7 1 2 =- 3 4 2x 5
- 7 /( 4x 3 x 2 1 /( 2x 2 ))
- 4x 2 x 7 )+( 2x 2 3x 1
- 1 4 x 2 )( 2x 3 )( 4x 7
- 4 3 4x 2 )= 7 1 2x 8
- 2 3 4x 7 )- 3 1 2x 5