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Bonjour puvez vous me developper (4x)²

Répondre :

Salut : (4x)^2 = 4^2 * x^2 = 16x^2 !
C'est                                                       tttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt 16X2