Explications étape par étape:
la multiplication est prioritaire:
A = 5/6 - (7/6×1/14) + 2/3
A = 5/6 - (1/6×1/2) + 2/3
A = 5/6 - 1/12 + 2/3
A = 10/12 - 1/12 + 8/12
A = 17/12
B = (4/5 × 3/2) × (2/4 - 3/4)
B = 12/10 × (-1/4)
B = 6/5 × (-1/4)
B = -6/20
B = -3/10
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Explications étape par étape:
la multiplication est prioritaire:
A = 5/6 - (7/6×1/14) + 2/3
A = 5/6 - (1/6×1/2) + 2/3
A = 5/6 - 1/12 + 2/3
A = 10/12 - 1/12 + 8/12
A = 17/12
B = (4/5 × 3/2) × (2/4 - 3/4)
B = 12/10 × (-1/4)
B = 6/5 × (-1/4)
B = -6/20
B = -3/10