Bonjour,
Exercice 22
a= 99/36 = 11/4
(divise par 2, puis 9)
b= 162/272 = 81/136 =
(2, 2)
c= 63/72 = 7/8
(5, 9)
d=360/468 = 180/234 = 90/117 = 10/13
Exercice 23
a)
20/14 = 10/7 = 40/28
b)
72/48 = 6/4 = 12/8 = 36/24
c)
15/45 = 30/90= 1/3
d)
40/ 64 = 5/8 = 20/32 = 15/ 24
