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Sagot :

CARLX7970

Réponse:

bonjour réponse jointe et j'ai de la technique.bonne journée

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MAUDMARINE

Bonjour

3/4+2/5 = (3 x 5) / (4 x 5) + (2 x 4) / (5 x 4) = 15/20 + 8/20 = 23/20

1/6 - 3/8 = (1 x 4) / (6 x 4) - (3 x 3) / (8 x 3) = 4/24 - 9/24 = - 5/24.

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