👤

Sagot :

Explications étape par étape:

A=3/4+7/6

=3x6/4x6+7x4/6x4

=12/24+28/24

=12+28/24

=40/24

=5/3(si il faut réduire)

B=9/10+5/8

=9*8/10*8+5*10/8*10

=72/80+50/80

=72+50/80

=122/80

=61/40

C=9/14+5/6

=9*6/14*6+5*14/6*14

=54/84+70/84

=54+70/84

=124/84

=31/21

D=5/6+1/8

=5*8/6*8+1*6/8*6

=40/48+6/48

=40+6/48

=46/48

=23/24

Other Questions

© 2024 IDNLearn. All rights reserved.