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Sagot :

Bonjour

4/9 + 7*3/(3*3) = 4/9 + 21/9 = 25/9

-4*2/(3*2) - 7/6 = -8/6 -7/6 = -15/6

4*4/4 - -7/4 = 16/4 - -7/4 = (16-(-7)/4 = 23/4

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