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Sagot :

KALY43

A = 15 ÷ 15 / 45 ÷ 15 = 1/3

B = fraction irréductible

C = 27 ÷ 9/ 36 ÷ 9 = 3/4

D = 140 ÷ 70 / 210 ÷ 70 = 2 / 210 ÷ 70 = 2/3

J'espère t'avoir aidé :)

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