Réponse :
Explications étape par étape
3/4 + 7/4=10/4
4/7x3/5=12/35
2/3+5/3=5/3
8/7 - 1/7=7/7=1
1/5 + 2/15=3/15 + 2/15 =5/15=1/3
5x4/3=15/3 x 4/3 =60/9
2/7%4/5= 2/7 x 5/4 = 10/28 = 5/14
2/3% 4/5 =2/3 x 5/4 = 10/12 =5/6
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Réponse :
Explications étape par étape
3/4 + 7/4=10/4
4/7x3/5=12/35
2/3+5/3=5/3
8/7 - 1/7=7/7=1
1/5 + 2/15=3/15 + 2/15 =5/15=1/3
5x4/3=15/3 x 4/3 =60/9
2/7%4/5= 2/7 x 5/4 = 10/28 = 5/14
2/3% 4/5 =2/3 x 5/4 = 10/12 =5/6