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Sagot :

a) 4
b) 1
c) -8
d) 256

Détaillé :
a) 4
b) 1x1x1x1x1x1x1 = 1
c) (-2) x(-2) x (-2) = -8
d ) (-4)x(-4)x(-4)x(-4) =256 
a. 4
b. 1 
c. -8
d. 256
Voilà .

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