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VINS

bonjour

A = 6 x - 18 - 3 + 5 x

 = 11 x - 21

B = 5 - 2 y + 3 y -  7

  =  y - 2

C = 24 + 4 z + 2 z - z² - 6 + 3 z

  =  - z² + 9 z + 18

D = 6 t² + 4 t - 15 t - 10 - t² - 6

  = 5 t² - 11 t - 16

MAUDMARINE

Bonjour

A = 6x - 18 - 3 + 5x

A = 11x - 21

B  = 5 - 2y + 3y - 7

B = y - 2

C = 24 + 4z + 2z - z² - 6 + 3z

C = - z² + 9z + 18.

D = 6t² + 4t - 15t - 10 - t² - 6

D = 5t² - 11t - 16.

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