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Sagot :

Bonjour,

A= (6/5-11/3) × 25/36

A= (6/5-11/3) × = 18/15 - 55/15 = -37/15

-37/15 * 25/36 = -925/540= - 485/108

B= (-7/5) / (4/15) + 2/20=

-7/5 * 15/4 +2/20 =

-105/20 + 2/20 =

-103/20

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