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Sagot :

OZZIEEE

Réponse :

a) 4 x 3 = 12

12 + 5 = 17

17 x 2 = 34

b) 1,5 x 3 = 4,5

4,5 + 5 = 9,5

9,5 x 2 = 19

c) ((x * 3) + 5) * 2

Expression simplifiée : 6x + 10

d) 6x + 10 = 7/2

6x = 7/2 - 10

6x = - 13/2

x = - 13/12

6x + 10 = 0

6x = - 10

x = -10/6

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