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Sagot :

AYUDA

78

(-2a)² = (-2a) * (-2a) = 4a²

(4a)³ = 4a * 4a * 4a = 12a³

(a/2)⁴ = a/2 * a/2 * a/2 * a/2 = a⁴/16

tu peux faire le d

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