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Sagot :

Bonjour

Simplifier ce calcul :

B= 4/5-7/4 / 4/5+11/10​

B = 4/5 - 7/4 x 5/4 + 11/10

B = 4/5 - 35/16 + 11/10

B = (4 x 16) / (5 x 16) - (35 x 5) / (16 x 5) + (11 x 8) / (10 x 8)

B = 64/80 - 175/80 + 88/80

B = 152/80 - 175/80

B = - 23/80.

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