Réponse :
Explications étape par étape
Bonsoir
Calculer en détaillant :
A = 3/-17 - (-4/5) : (3/8 - 14/25 x 30/21)
A = -3/17 + 4/5 : (3/8 - 14/21 x 30/25)
A = -3/17 + 4/5 : (3/8 - 2/3 x 6/5)
A = -3/17 + 4/5 : (3/8 - 4/5)
A = -3/17 + 4/5 : (15/40 - 32/40)
A = -3/17 + 4/5 : (-17/40)
A = -3/17 + 4/5 x -40/17
A = -3/17 - 32/17
A = -35/17
B = (8/5 : (4/5 - 11/10)) / (8/5 : 4/5 - 11/10)
B = (8/5 : (8/10 - 11/10)) / (8/5 x 5/4 - 11/10)
B = (8/5 : (-3/10)) / (2 - 11/10)
B = (8/5 x -10/3) / (20/10 - 11/10)
B = (-16/3) / (9/10)
B = -16/3 x 10/9
B = -160/27
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Verified answer
Réponse :
Explications étape par étape
Bonsoir
Calculer en détaillant :
A = 3/-17 - (-4/5) : (3/8 - 14/25 x 30/21)
A = -3/17 + 4/5 : (3/8 - 14/21 x 30/25)
A = -3/17 + 4/5 : (3/8 - 2/3 x 6/5)
A = -3/17 + 4/5 : (3/8 - 4/5)
A = -3/17 + 4/5 : (15/40 - 32/40)
A = -3/17 + 4/5 : (-17/40)
A = -3/17 + 4/5 x -40/17
A = -3/17 - 32/17
A = -35/17
B = (8/5 : (4/5 - 11/10)) / (8/5 : 4/5 - 11/10)
B = (8/5 : (8/10 - 11/10)) / (8/5 x 5/4 - 11/10)
B = (8/5 : (-3/10)) / (2 - 11/10)
B = (8/5 x -10/3) / (20/10 - 11/10)
B = (-16/3) / (9/10)
B = -16/3 x 10/9
B = -160/27