名校
1 . 如图,已知正方体
的棱长为3,点
在棱
上,且
,
是侧面
内一动点,
,则
的最小值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/df137a57-1063-4808-b5aa-31b52e3742c5.png?resizew=175)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c2d079eac9f55a85dd4079abfe9afe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f660dc35de47eaf6664b641d9d102eeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/df137a57-1063-4808-b5aa-31b52e3742c5.png?resizew=175)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-12-04更新
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7卷引用:河南省新乡市2021届高三第一次模拟考试数学(文)试题