calculer B = - 4 + 2 [ - 3 × ( 5 - 7 ) - 9]
Mathématiques
sophievo1
Question
calculer
B = - 4 + 2 [ - 3 × ( 5 - 7 ) - 9]
B = - 4 + 2 [ - 3 × ( 5 - 7 ) - 9]
1 Réponse
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1. Réponse Thomas06
B = -4 +2 ( -3 x (-2) - 9)
= -4 + 2 (6 -9)
=-4 + 2 x (-3)
=-4 -6
=-10