Sagot :
Explications étape par étape:
19/21
1/3
20/7
57/19 (on ne peux rien faire )
1/4
1/3
23/37
5/9
5/3
7/5
7/4
6/5
2/3
9/5
5/4
De rien
Réponse :
Bonjour
Explications étape par étape
38/42 = 19/21
31/93 = 1/3
200/70 = 20/70 = 2/7
57/19 = 3
25/100 = 5/20 = 1/4
18/54 = 2/6 = 1/3
46/74 = 23/37
35/63 = 5/9
55/33 = 5/3
56/40 = 28/20 = 14/10 = 7/5
91/52 = 7/4
24/20 = 12/10 = 6/5
26/39 = 2/3
27/15 = 9/5
95/76 = 5/4