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Sagot :

VINS

bonjour

2

2 + 3 = 5

5 x 4 = 20

20 - 12 = 8

8

- 5

- 5 + 3 = - 2

- 2 x 4 = - 8

- 8 - 12 = - 20

= - 20

2/3

2/3 + 3 = 11/3

11/3 x 4 = 44/3

44/3 - 12 =  8/3

= 8 /3

x

x + 3

4 ( x + 3 ) = 4 x + 12

4 x + 12 - 12

= 4 x

on retrouve la quadruple du nombre de départ  

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