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aider moi svp trop.dur


Aider Moi Svp Tropdur class=

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Bonjour,

a. 1/3 = 1 x 2 / 3 x 2 = 2/6
b. 2/5 = 2 x 4 / 5 x 4 = 8/20
c. 2/5 = 2 x 200 / 5 x 200 = 400/1000
d. 3/7 = 3 x 3 / 7 x 3 = 9/21
e. 2/4 = = 2 x 2 / 4 x 2 = 4/8
f. 2/12 = 2 x 2 / 12 x 2 = 4/24