Bonjour,
Exercice 1
a = 12/20 = 6/10 = 0,6
c= 15/300 = 0,15/3 = 0,05
e= 768/140 = 384/70 = 38,4/7
b= 73/15
d= 9125/ 2500 = 1825/ 500 = 365/ 100 = 3,65
f= 13/70
Exercice 2
a =0,64
b= 0,35
c= 0,18
d= 17,75
Exercice 3
114,6/4 =28,65
540/ 12 =45
105/25 = 4,2
480/15 = 32
