解题方法
1 . 如图,在正方体
中,
,
为棱
的中点,
为棱
的四等分点(靠近点
),过点
作该正方体的截面,则该截面的周长是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8e45b50c77bf6a2cde628ea3455ac9.png)
![](https://img.xkw.com/dksih/QBM/2021/12/1/2863155930456064/2863381503033344/STEM/dd08a1e1-6dcd-4ec4-b822-6c1f2b31cc78.png?resizew=223)
您最近一年使用:0次
2021-12-01更新
|
587次组卷
|
3卷引用:辽宁省葫芦岛市协作校2021-2022学年高三上学期第二次联考数学试题