Réponse :
A) 7/3 - 4/3 : 8/5 = 7/3 - 4/3 * 5/8 = 7/3 - 1/3 * 5/2 = 7/3 - 5/6 = 3/2 .
Explications étape par étape B) -4/9 * 1/5 : 3/7 = -4/9 * 1/5 * 7/3 =-28/135 .
C) 8/3 : -5/6 + 7/4 = -8/3 * 6/5 + 7/4 = -8 * 2/5 + 7/4 = -16/5 +7/4 = -29/20 .
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Réponse :
A) 7/3 - 4/3 : 8/5 = 7/3 - 4/3 * 5/8 = 7/3 - 1/3 * 5/2 = 7/3 - 5/6 = 3/2 .
Explications étape par étape B) -4/9 * 1/5 : 3/7 = -4/9 * 1/5 * 7/3 =-28/135 .
C) 8/3 : -5/6 + 7/4 = -8/3 * 6/5 + 7/4 = -8 * 2/5 + 7/4 = -16/5 +7/4 = -29/20 .