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Sagot :

Réponse :

Explications étape par étape

Bsr,

3/4 +9 = 3/4 +36/4 = 39/4

6-8/5 = 30/5 -8/5 = 22/5

1+5/9 = 9/9 +5/9 = 14/9

10 - 9/8 = 80/8 -9/8 = 71/8

3+ 1/7 = 21/7 +1/7 = 22/7

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