Calculer chaque expressions en détaillant les calculs.
1) 8-3x5 3) (-6)x[2-(-7)]
2)18:(-9)-4x(-7) 4) -5+3,6:4
1) 8-3x5 3) (-6)x[2-(-7)]
2)18:(-9)-4x(-7) 4) -5+3,6:4
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Ok, je n'avais pas comprisdonc
1) 8 - 3 x 5 = 8 - 15 = - 7
2) 18 : ( -9) - 4 x ( -7)
= -2 + 28 = 26
3) ( - 6) x [2 - (-7)]
- 6 x ( 2 + 7) = - 6 x 9 = - 54
4) - 5 + 3,6 : 4 = - 5 + 0.9 = - 4.1