Réponse :
bonjour
Explications étape par étape :
98/62 = 2x49 / 2x31 = 49/31
70/105 = 35x2 / 35x3 =2/3
175/225 = 25x7 / 25x9 =7/9
88/220 = 44x2 / 44x5 =2/5
132/360 = 12 x11 / 12x30 =11/30
2. 26 = 2x13
33 =3x11
34 =2x17
38 = 2x19
51 = 3x17
55 = 5x11
57 = 3x19
65 = 5x13
