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Sagot :

VINS

bonjour

x

x + 4

7 ( x + 4 ) = 7 x + 28

7 x + 28 + 3 x

10 x + 28

10 x + 28 - 28

10 x

le programme donne 10 fois nombre de départ

si on prend 5 = 5*10 = 50

si on prend - 7 = - 7 * 10 = - 70

1 /6 = 10/6

largeur = l

longueur = 2 l + 1

2 ( l + 2 l + 1 ) = 23

2 l + 4 l + 2 = 23

6 l = 21

l = 21/6 = 3.5

l = 3.5

L = 8

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