👤

Sagot :

Réponse :

bonjour

Explications étape par étape :

A=2/7 – 3/5

=10/35 -21/35

=-11/35

B=18/5 -6

=18/5 -30/5

=-25

C=7/6 - -2/9

=21/18 + 4/18

=25/18

D=-15/36 x -42/25 x28/21

= -3/6 x -7/5 x 4/3

=-1/3 x-7/5 x2

=14 /15

E=-28/45 +-35/12

=-1575/540 – 1911/540

=-1911/540

=-637/180

F=4/5 – 7/3x8/14

=4/5-1/3x4

=4/5 -4/3

=4/5 – 4/3

=12/15 – 20/15

=-8/15

© 2024 IDNLearn. All rights reserved.