来自万群丽的问题
已知实数xy满足(x-根号x2-2008)(y-根号y2-2008)=2008则3x2-2y2+3x-3y-2007=?已知实数满足(x-√(x2-2008))(y-√(y2-2008))=2008则3x2-2y2+3x-3y-2007
已知实数xy满足(x-根号x2-2008)(y-根号y2-2008)=2008则3x2-2y2+3x-3y-2007=?
已知实数满足(x-√(x2-2008))(y-√(y2-2008))=2008则3x2-2y2+3x-3y-2007
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2020-12-26 12:02