calculer: A=(-7)+12+(-15)-(-8)
Mathématiques
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Question
calculer: A=(-7)+12+(-15)-(-8)
2 Réponse
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1. Réponse maudmarine
A = (- 7) + 12 + (-15) - (- 8)
A = - 7 + 12 - 15 + 8
A = - 7 - 15 + 12 + 8
A = - 22 + 20
A = - 2 -
2. Réponse telephone16
(-7) +12 + ( -15) -(-8)
-7 +12 -15 +8
12 +8 = 20
-7 -15 = -22
20 -22 = -2