已知实数x,y满足(x-根号x^2-2008)(y-根号y^2-2008)=2008 ,则3x^2-2y^2+3x-3y-2007已知实数x,y满足【x-根号下(x^2-2008)】【y-根号下(y^2-2008)】=2008 ,则3x^2-2y^2+3x-3y-2007的值是
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