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Sagot :

Explications étape par étape:

A= (3×7)²

A= (3×7) × (3×7)

A= 21×21

A=441

B= 6×2²×3×5³

B= 6×(2×2)×3×(5×5×5)

B= 6×4×3×125

B= 24×375

B= 9000

C= 8+5×3²

C= 8+5×(3×3)

C= 13×9

C= 117

D= (8+5³)²

D= (8+5³) × (8+5³)

D= (8+5×5×5)×(8+5×5×5)

D= (8+125)×(8+125)

D= 133×133

D= 17689

E= (8+5×3)²

E= (8+5×3)×(8+5×3)

E= (8+15)×(8+15)

E= 23×23

E= 529

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