1 4x 5 = 6x - 2
- 5 6x 12 1 4x 2
- 5 6x 2 5y 1 4x 3 10y
- 3x 1 )( 4x 3 )=( 2x 5 )( 6x 2 )- 2
- 7 4x 3x 5 6x 1 2x 3
- 24 3x 1 4x 5 11 6x 2x 7
- 1 6 0 4x 5 2 1 6x
- 3x 4x 1 )- 6x 1 5 2x )= 4 8
- 7x 5 4x 5 )- 2 6x 7 )= 1
- 4x 5 6x 1 3 2x 3x 4
- 1 4x 2 8x 4 và 5 6x 2 6x
- 9 4x 1 3 5 6x 5 2
- 4x 2 5 6x 1
- 4x 5 2x 1 )=- 6x 0
- 2 5 1 4x )= 6x 3
- 4x 3 )( 3x 1 )-( 2x 5 )( 6x 2 )= 28