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Sagot :

Bonjour,

a)

3/4 * 3/3 = 9/12

b)

4/5 * 5/5 = 20/25

C)

2/7 * 3/3 = 6/ 21

d)

6/5 *4/4 = 24/20

Réponse : a) 3/4 * 3/3 = 9/12 b) 4/5 * 5/5 = 20/25 c) 2/7 * 3/3 = 6/21 d) 6/5 * 4/4 = 24/20

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