L’exercice 52 svp j’y à arrive pas
Mathématiques
jihaneherised
Question
L’exercice 52 svp j’y à arrive pas
1 Réponse
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1. Réponse Anonyme
Bonjour,
-3/(6/5) = -3 × 5/6 = -15/6 = -5/2
(-3/6)/5 = (-3/6) × (1/5) = -3/30 = -1/10
(-7/5)/(6+1/5) = (-7/5)/(30/5+1/5)
= (-7/5)/(31/5)
= (-7/5) × (5/31)
= -7/31