Réponse :
Explications étape par étape
Bonjour
C = (3/4 - 5/2) / (-6/7)
C = (3/4 - 10/4) x (-7/6)
C = (-7/4) x (-7/6)
C = 49/24
D = 5/7 - 2/7 x -5/3
D = 5/7 + 10/21
D = 15/21 + 10/21
D = 25/21
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Réponse :
Explications étape par étape
Bonjour
C = (3/4 - 5/2) / (-6/7)
C = (3/4 - 10/4) x (-7/6)
C = (-7/4) x (-7/6)
C = 49/24
D = 5/7 - 2/7 x -5/3
D = 5/7 + 10/21
D = 15/21 + 10/21
D = 25/21