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Sagot :

Bonsoir,

Exercice 57

5/8 de 1,5L

(5*1,5) / 8

a)

7,5/8

b)

0,9 375L = 93,75 cL

Exercice 46

-5/14 - 6/14 = -11/14

6/27 -5/27 = 1/27

-3/20 - 8/20 = -11/20

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