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