bonjour quel qun peut méder a troouver c operation ??
B=7/3-4/3 C=1+4/5 D=3-11/5 E=5/3+7/6 F=13/5-9/10 G=3/7*4/5 H=20/45*36/16
B=7/3-4/3
=3/3
=1
C=1+4/5
=5/5+4/5
=9/5
D=3-11/5
=15/5-11/5
=4/5
E=5/3+7/6
=10/6+7/6
=17/6
F=13/5-9/10
=26/10-9/10
=17/10
G=3/7*4/5
=12/35
H=20/45*36/16
=4/9*18/8
=72/72
=1