名校
解题方法
1 . 如图,在正方体
中,点M,N分别为棱
上的动点(包含端点),则下列说法正确的是___________ .
![](https://img.xkw.com/dksih/QBM/2021/12/10/2869354920468480/2871480425472000/STEM/6f078c4e13b441e38f77a1d064af6176.png?resizew=199)
①当M为棱
的中点时,则在棱
上存在点N使得
;
②当M,N分别为棱
的中点时,则在正方体中存在棱与平面
平行;
③当M,N分别为棱
的中点时,则过
,M,N三点作正方体的截面,所得截面为五边形;
④直线
与平面
所成角的正切值的最小值为
;
⑤若正方体的棱长为2,点
到平面
的距离最大值为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281ed7ea4b53f930ebf1bd142893e3b1.png)
![](https://img.xkw.com/dksih/QBM/2021/12/10/2869354920468480/2871480425472000/STEM/6f078c4e13b441e38f77a1d064af6176.png?resizew=199)
①当M为棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66fae8e33cd86fa8dab72704eaafe1ba.png)
②当M,N分别为棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281ed7ea4b53f930ebf1bd142893e3b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e74395b07e8153a0ef0bbcb5881013f.png)
③当M,N分别为棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281ed7ea4b53f930ebf1bd142893e3b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
④直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
⑤若正方体的棱长为2,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e74395b07e8153a0ef0bbcb5881013f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
您最近一年使用:0次
2021-12-13更新
|
1861次组卷
|
3卷引用:云南省师范大学附属中学2022届高三高考适应性月考卷(六)数学(理)试题
云南省师范大学附属中学2022届高三高考适应性月考卷(六)数学(理)试题(已下线)2020年高考全国2数学理高考真题变式题16-20题四川省成都市第七中学2021-2022学年高三上学期1月阶段性考试理科数学试题