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5x^2y-3xy^2+4xy-14xy^2+4xy-2x^2y(化简)
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5x^2y-3xy^2+4xy-14xy^2+4xy-2x^2y(化简)
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答案和解析
5x^2y-3xy^2+4xy-14xy^2+4xy-2x^2y
=(5-2)x^2y+[(-3)-14]xy^2+(4+4)xy
=3x^2y+(-17xy^2)+8xy
=3x^2y-17xy^2+8xy.
=(5-2)x^2y+[(-3)-14]xy^2+(4+4)xy
=3x^2y+(-17xy^2)+8xy
=3x^2y-17xy^2+8xy.
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