Répondre :
X= 1 : - ( 10x 1 ) - ( 2x 1 ) = 8
- 2x ( 4x1) = 8
X = 5.6 : - (10x5.6) - (2x5.6) = 44.8
- 2x ( 4x 5.6) = 44.8
X = 124 : - (10x124) - ( 2x124) = 992
- 2 x ( 4x 124 ) = 992
- 2x ( 4x1) = 8
X = 5.6 : - (10x5.6) - (2x5.6) = 44.8
- 2x ( 4x 5.6) = 44.8
X = 124 : - (10x124) - ( 2x124) = 992
- 2 x ( 4x 124 ) = 992