已知实数xy满足(x-根号x2-2023)(y-根号y2-2023)=2023则3x2-2y2+3x-3y-2023=?已知实数满足(x-√(x2-2023))(y-√(y2-2023))=2023则3x2-2y2+3x-3y-2023
<p>问题:已知实数xy满足(x-根号x2-2023)(y-根号y2-2023)=2023则3x2-2y2+3x-3y-2023=?已知实数满足(x-√(x2-2023))(y-√(y2-2023))=2023则3x2-2y2+3x-3y-2023<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">林耀荣的回答:<div class="content-b">网友采纳 百度抄来的因为√(x²-2008),所以x²-2008≥0,所以x≤-√2008或者x≥√2008当x≥√2008时,则-x≤-√2008,则-2x√2008≤-2*2008所以x²-2x√2008≤x²-2*2008所以x²-2x√2008+2008≤x²-2...
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