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

Toán Lớp 8: Kết quả của phép chia ( 6xy^2 +4x^2y-2x^3) : 2x

Toán Lớp 8: Kết quả của phép chia ( 6xy^2 +4x^2y-2x^3) : 2x

Comments ( 2 )

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

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

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