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Sagot :

Réponse :

Explications étape par étape :

A = 5/7 + 8/7 = 13

B = 9/14 - 1/2 = 9/14 - 7/14 = 2/14 = 1/7

C = 13/6 + 3/2 = 13/6 + 9/6 = 22/6 = 11/3

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