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Sagot :

VINS

Réponse :

bonsoir

2 /3 * x /2 = 27

2 x / 6 = 162/6

2 x = 162

x = 81

3 x /4 -  x /2 = 3 /8

6 x /8 - 4 x /8 = 3 /8

2 x  = 3

x = 3/ 2

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