Bonjour ou Bonsoir , Pouvez-vous m'aider a faire s’était exercice .

et me donner une technique pour y repondre plus facilement

Exercice 1/ : A= -18 +7 -10 -3 +12
B= 4- (-2) + (-8) -5 +1
C= -5 (-1) - (-8) -2 + 6 -1

2/ relier chaque expression à sa valeur
-1 - (-7) . /. -7
-7 + (-2) . / . -5
-2 -5 . / . 2
-3 + 5 . / . 6
-7 + 2 . / . -9

3/ Calcule
2 × (-9)= / -4 × (-7)= / -9 × 6 = / 8 × (-4) = / -6 × (-7) = / -9 × 8 =

Bonne exercice a vous !!!
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