Bonjour,
Réponse :
Exercice 31 :
a) 14/21 = 2/3
b) 9/7 = 81/63
c) 5/9 = 35/63
d) 4/3 = 44/33
Exercice 36 :
a) 23/54 > 54/128
b) 77/121 = 413/649
c) 34/51 = 38/57
d) 684/588 = 57/49
e) 258 963/789654 > 279 789/853 159
