MERCIDEMAIDER53
Answered

Svp aider moi
a) 4/3-(1/2 +7/8)
B) 4/3-7/5-(3/5-5/7)
Merci​

Sagot :

a)=4/3-(1x8+7x2/2x8)
a=4/3-(11/8)
a=4/3-11/8
a=-1/24
b=4/3-7/5-(3x7-5x5/75)
b=4/3-7/5-(-4/35)
b=4/3-7/5+4/35
b=1/21