1 . 已知函数
,把函数
的零点从小到大的顺序排成一列,依次为
,则
与
大小关系为
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572684181446656/1572684187484160/STEM/3df7fc78d6594900ac1c6edaf8f7cd29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/470a9c2701b43c711231813092438d6f.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572684181446656/1572684187484160/STEM/7db5545bc6e14cc6bb60c1213ca9e010.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572684181446656/1572684187484160/STEM/51898d03c40a4a9ebe9dc049fd8286f5.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572684181446656/1572684187484160/STEM/e92fe9b718ee44ecaedb5f144276aec2.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.无法确定 |
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名校
2 . 如果一个
位十进制数
…
的数位上的数字满足“小大小大…小大”的顺序,即满足:
,我们称这种数为“波浪数”.从1,2,3,4,5组成的数字不重复的五位数中任取一个五位数
,这个数为“波浪数”的概率是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccdf330c4c11abc1ecfe06660fc178c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7b3afd96ecb72ad6947c971d1be60c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53281622c39e4d9d37ceb81281968b3f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-03-06更新
|
1791次组卷
|
7卷引用:2017届陕西省西安市铁一中学高三上学期第五次模拟考试理数试卷
2017届陕西省西安市铁一中学高三上学期第五次模拟考试理数试卷2017届陕西省西安市铁一中学高三上学期第五次模拟考试数学(理)试卷人教A版(2019) 选修第三册 突围者 第六章 第二节 课时1 排列与排列数北师大版(2019) 选修第一册 突围者 第五章 第二节 排列(已下线)考点10-1 概率与统计(理)(已下线)6.2.1排列(分层作业)-【上好课】2022-2023学年高二数学同步备课系列(人教A版2019选择性必修第三册)河北省石家庄市新乐市第一中学2022-2023学年高二下学期4月月考数学试题
解题方法
3 . 如图,在矩形
中,
,现将
沿
折至
,使得二面角
为锐角,设直线
与直线
所成角的大小为
,直线
与平面
所成角的大小为
,二面角
的大小为
,则
,
,
的大小关系是( )
![](https://img.xkw.com/dksih/QBM/2020/8/26/2536414096990208/2542989924761600/STEM/390f641e04854d779b5c7866a4d070bb.png?resizew=214)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deb6694f3443cc5f4d09948679251b61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ea25ef38e4afa8f75ffd0842890289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc66a96c1297e7068e987e0e70723e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a21897349d3d7c94419692106887153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb97aff0960e2640314888a38e7169c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bf2517bc0b55ab99049feb741eef85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://img.xkw.com/dksih/QBM/2020/8/26/2536414096990208/2542989924761600/STEM/390f641e04854d779b5c7866a4d070bb.png?resizew=214)
A.![]() | B.![]() | C.![]() | D.不能确定 |
您最近一年使用:0次
4 . 如图,四棱锥
中,底面
为正方形,
平面
,
,点
为线段
的动点.记
与
所成角的最小值为
,当
为线段
中点时,二面角
的大小为
,二面角
的大小为
,则
,
,
的大小关系是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/58ef5e25-42be-41e0-a81a-5dfd92c0b370.png?resizew=188)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95475bfc06e884754eb4a455c3f434e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1f04ff8d19d4a3e0ffe4504b961b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324d453870b345da0c41977290192f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/58ef5e25-42be-41e0-a81a-5dfd92c0b370.png?resizew=188)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知四边形
中,
,
,在将
沿着
翻折成三棱锥
的过程中,直线
与平面
所成角的角均小于直线
与平面
所成的角,设二面角
,
的大小分别为
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853e81b1b9606ad25244ff82c8292df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a16dc02090b6e9263555061f14fbc8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5e1441a49e782ff0ef46e776cde06a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec2524be492bca0d1566bf848066f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6dfb039aafe2d2841f8c28b117cf741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
A.![]() | B.![]() | C.存在![]() | D.![]() |
您最近一年使用:0次
2019-02-07更新
|
831次组卷
|
3卷引用:【省级联考】浙江省 2019 届高三高考模拟训练(二)数学试题
【省级联考】浙江省 2019 届高三高考模拟训练(二)数学试题(已下线)专题12 点线面的位置关系与空间的角-2021年浙江省高考数学命题规律大揭秘【学科网名师堂】新疆昌吉第九中学2021届高三上学期期中考试数学试题
名校
6 . 已知定义在
上的可导函数
满足
设
,则
的大小关系是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceec441fee8121b8b030438a518e521c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d140c889b03acddd985e7ab453711b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
2017-03-08更新
|
756次组卷
|
3卷引用:【全国校级联考】广东省深圳实验,珠海一中等六校2019届高三第一次联考数学文试题