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Sagot :

Réponse:

3/5 × 7/ 2 = 21/10

Explications étape par étape:

-1 /5 × 5/-3 = 5/15 = 1/3

Bonsoir,

Exercice27

21/10

3/20

63/ 45 = 7/5

Exercice 30

-5/-15 = 5/15 = 1/3

-21/ 45 = - 7/15

-10/ -60 = 10/60 = 1/6

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