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Sagot :

reponse du

A. 53

B.149

C.63

D. 243

CHCMPL
A= 3 x 4^2 + 5
= 3 x 16 - 5
= 48 + 5
= 53

B= (3 x 4)^2 + 5
= 12^2 + 5
= 144 + 5
= 149

C= 3 x (4^2 + 5)
= 3 (16 + 5)
= 3 x 21
= 63

D= 3 x (4 + 5)^2
= 3 x 9^2
= 3 x 3^4
= 3^5
= 243

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