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Sagot :

Bonjour


le double de 2^7 :

= 2 x 2^7

= 2^(1+7)

= 2^8


la moitié de 2^4 :

= 2^4/2

= 2^(4-1)

= 2^3


le triple de 3^8 :

= 3 x 3^8

= 3^(1+8)

= 3^9


le quart de 2^10 :

= 2^10/4

= 2^10/2^2

= 2^(10-2)

= 2^8

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