Dans chaque cas, compléter. a. 5+6x (-2) = 5 +
b. (-4) × (-3-2)=(-4) x
c. -3,5+(-7) x (-4)= -3,5+ =
b. (-4) × (-3-2)=(-4) x
c. -3,5+(-7) x (-4)= -3,5+ =
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Réponse:
A=5+6*(-2)=5+(-12)=-7
B=(-4)*(-3-2)=(-4)*(-5)=20
C=-3,5+(-7)*(-4)=-3,5+28=31,5