(6x^2y^3-8x^2y^2+2xy^2)/2xy^2
=6x^2y^3 /2xy^2-8x^2y^2 /2xy^2+2xy^2 /2xy^2
=3xy -4x+1
(6x^2y^3-8x^2y^2+2xy^2)/2xy^2
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相关问题
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3x-2xy-8-2x+6xy-x²+6、-x²+2xy-y²-3x²-2xy+
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(3xy-9x2-2y2-6xy)-(6x2+2xy-3xy-y)
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1 、x+y=8 xy=6 求x²+3xy+2y²/x²y+2xy²
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()/(-2xy)=-6x^2y^2+8xy^2-2xy
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因为3xy(2x-y)=6x^2y-3xy^2,所以因式分解6x^2y-3xy^2=
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(2x^2y+3xy^2)-(6x^2y-3xy^2)
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3x²-2xy-y²+2x+6y=8,2x²-3xy-5y²+3x+17y=14
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x^2-2xy+y^2=14x^2-4xy+y^2=46x^2-5xy+y^2=0x^2-4xy+3y^2+4x-8y+