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1 . 已知实数x,y满足
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db561d78103d9a363b1907947db7c8c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d65341447f95880aef2ec15169a86aa.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-02-21更新
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1004次组卷
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2卷引用:宁夏回族自治区银川一中2022届高三二模数学(理)试题