1ère année secondaire | Mathématiques | Activités algébriques | Identités remarquables

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A=(3_X)²_3(X+2)²+2X(1+) =3²_2x3×X+X²._3(X²+2X×2+2²)+2X+2X² =9_6X+X²_3X²+12X+12X+2X+2X² =9_12_6X+2X+X²+2X²_3X² =_3_4X

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Chniya

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Fama 8alta fi A

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