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Sagot :

MAUDMARINE

Bonjour

Calcule en détaillant chaque étape :

D = 23 — [ (3 + 9 - 10/2) x3 ]

D = 23 - [(3 + 9 - 5) x 3]

D = 23 - [(3 + 4) x 3]

D = 23 - (7 x 3)

D = 23 - 21

D = 2

C = [8 + 3 x (- 4)] / [1 + 2 x (- 1,5)]

C = (8 - 12) / (1 - 3)

C = - 4/- 2

C = 2.

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