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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 8: 3x mũ 3 y -6x mũ 2 y mũ 2 +3y mũ 2

Toán Lớp 8: 3x mũ 3 y -6x mũ 2 y mũ 2 +3y mũ 2

Comments ( 2 )

  1. y10000
    3x³y – 6x²y² + 3y²
    = 3y . ( x³ – 2x²y + y )

  2. $3x^{3}y-6$$x^{2}y$$+3y^{2}$
    $=3y.(x^{3}-2x^2y+y)$
    $vuatoan208$  

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222-9+11+12:2*14+14 = ? ( )