Bonjour
-(2/3)×(6/5+3/2)
= - 2/3 x [(6 x 2) / (5 x 2) + (3 x 5) / (2 x 5)]
= - 2/3 x (12/10 + 15/10)
= - 2/3 x 27/10
= - 54/30
= (6 x - 9) / (6 x 5)
= - 9/5.
Réponse:
-9/5
Explications étape par étape:
= -(2/3)×(1,2+1,5)
= -(2/3)×2,7
= -9/5
