4ÈME !AIDEZ MOI SVP !!!!!!!!!!!!!!!!!!!!

Bonsoir,

A = 3/2 + 15/2 x 11/5
A = 3/2 + 165/10
A = 15/10 + 165/10
A = 180/10
A = 18.

B = 3 - 2/3 ÷ 4/3 x 7
B = 3 - 2/3 ÷ 28/3
B = 9/3 - 2/3 ÷ 28/3
B = 7/3 ÷ 18/3
B = 7/3 x 3/18
B =21/54.

J'espère t'avoir aidé.