Bonsoir, j’aimerais juste savoir si j’ai bon
Simplifier :
A= 15/20 = 34=0.75

B=14/40=2/7

C=220/260=11/13

D=630/810=7/9

E=560/480=7/6

Calculer :
1/2+3/2 = 2
- 3/11 + 1/22 = - 5/22
- 5/4 - 5/6 = - 25/12
3/5 - 2/7 = 11/35
5 - 6/7 = 29/7
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