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Bonjour je bloque sur cet exercice en maths​

Bonjour Je Bloque Sur Cet Exercice En Maths class=

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MAUDMARINE

Bonjour

A = 3/7 + 2/7 = 5/7

B = 6/11 - 13/11 = - 7/11

C = - 5/3 + 7/3 = 2/3

D = - 7/5 - 2/5 = - 9/5

E = - 4/13 + - 7/13 = - 4/13 - 7/13 = - 11/13

F = 6/7 - - 2/7 = 6/7 + 2/7 = 8/7.