MARAM92
Answered

Bonjour ,
Calcule :
A=7/3 + 11/5
B=2/7 - 5/9
C=5/6 - 7/4
D=1/3 + 1/2 + 5/3 + 3/2
E=7/5 + 13/5 + 3/10 - 7/10

Sagot :

Réponse :

A=7/3+11/5

=35/15+33/15

=68/15

B=2/7-5/9

=18/63-35/63

=-17/63

c=5/6-7/4

=10/12-21/12

=-11/12

D=1/3+1/2+5/3+3/2

=6/3+4/2

=2+2

=4

E=7/5+13/5+3/10-7/10

=20/5-4/10

=4-4/10

=40/10-4/10

=36/10

=18/5