4x 8 )-( 3x 7 2x 3 July 8, 2019 16 32 64 128 4x 6 3x 8 )- 5 2x 7 )= 35 3x 7 ≤ 4x 8 or 2x 3 ≥ 1 4x 1 )( 3x 7 )-( 3x 4 )( 2x 8 Developper et reduire 4x 8 )-( 3x 7 2x 3 Developper 4x 8 )-( 3x 7 2x 3 4 7x-1 8=3 2+2 2x