bonsoir
A = 19/3 - 5 = 19/3 - 15/3 = 4 /3 donc numérateur = 4
B = 1/6 + 1/3 + 1/2 = 1/6 + 2/6 + 3/6 = 6 /6 = 1
C = 6
D = - 5/2 - 4/5 - 17/10 = - 25/10 - 8/10 - 17/10 = - 50/10 = - 5
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bonsoir
A = 19/3 - 5 = 19/3 - 15/3 = 4 /3 donc numérateur = 4
B = 1/6 + 1/3 + 1/2 = 1/6 + 2/6 + 3/6 = 6 /6 = 1
C = 6
D = - 5/2 - 4/5 - 17/10 = - 25/10 - 8/10 - 17/10 = - 50/10 = - 5