Sagot :

Bonjour,

A= 2/3 - 7/3
= 2-7/3
= -5/3

B= 1/2 + 3/8
= 4+3/8
= 7/8

C= 3/5 - 11/15
= 9-11/15
= -2/15

D= 5/4 + 4/6
= 15+8/12
= 23/12

E= 5/3 - 9/2
= 10-27/6
= -17/6


J’espère t’avoir aidé.