Aidez moi SVP !!! Exercice: 56 p. 31) 56: Calculer mentalement chaque expression. A= 3 - 2 x ( - 4) = B= - 6 : 2 + 10 = C= - 5 x 3 + ( - 12 ) : ( - 3 ) = D= 9 x ( 5 - 7 ) = E= - 11 - 2 x 15 = F= 15 + 5 x ( - 3 ) =
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A = 3 + 8 = 11B = -3 + 10 = 7
C = - 15 - 12 = -27
D = 9 * -2 = -18
E = - 11 - 30 = -41
F = 15 - 15 = 0