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Exercice 5:
Calculer les quotients suivants et vérifier avec la calculatrice
A =
B =
8+3X(-4)
1+2×(-1,5)
Exercice 6:
-21+7x3
-13+17X(-4)
C=
9x(-3)-(-3)x(-5)
15+(-3)-2

Sagot :

VINS

+3X(-4) = - 12

1+2×(-1,5)  = 1 - 3 = - 2

Exercice 6:

-21+7x3  = - 21 + 21 = 0

-13+17X(-4)  = - 13 - 68 = - 81

C=

9x(-3)-(-3)x(-5) = - 27 -(  15 ) = - 27 - 15 = - 42

15+(-3)-2 = 15 - 3 - 2 = 15 - 5 = 10