Bonsoir,
48 /2 =24
24/2 =12
12/2 =6
6/2 =3
75/3 =25
25/5=5
en commun: 3
48/3 et 75/3
16/25
126/2 =63
63/3 =21
21/3 =7
180/2 =90
90/2 =45
45/3= 15
15/3 =5
en commun: 2*3*3 = 18
7/10
360/2 =180
180/2 =90
90/2 =45
45/3= 15
15/3 =5
252/2 = 126
126/2 =63
63/3 = 21
21/3 =7
en commun : 2*2*3*3 = 36
10/7
220/2 =110
110/2 =55
5/5 =11
100/2 =50
50/2 =25
25/5=5
en commun: 2*2*5 =20
11/5