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

Toán Lớp 8: (x+2y)(2x²-y -3y²) = bao nhiêu

Toán Lớp 8: (x+2y)(2x²-y -3y²) = bao nhiêu

Comments ( 2 )

  1. (x+2y)(2x^2-y-3y^2)
    =2x^3-xy-3xy^2+4x^2y-2y^2-6y^3

  2.  (x+2y)(2x²-y -3y²)
    = 2x³- xy – 3xy² + 4x²y – 2y² – 6y³

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

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