1 . 如图,在四棱锥
中,底面ABCD为正方形,平面
平面ABCD,点M为线段PB中点,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/6/1d39dabf-a6ff-4351-8e9a-29f2a8585b48.png?resizew=215)
(1)证明:
平面MAC;
(2)求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1328e05d150f86dbe18656662eaa8f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c5ace226a547e68702df548b08cb5a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/6/1d39dabf-a6ff-4351-8e9a-29f2a8585b48.png?resizew=215)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826bf6fa3706921b77ad0eb4fcc206bd.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daffe333e60992bb4590370b79b806d5.png)
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23-24高一上·上海浦东新·期末
名校
解题方法
2 . 记
在区间
(
为正数)上的最大值为
,若
,则实数
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9db9ce814f08447762530cac61202bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93c82944db4a310a2047dd6d8966162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe13bedc59eb296d5948c2c59d702b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8238dfbbcf90b6ffa1a66eb214cc68d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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3 . 在正方体八个顶点中任取两点,则这两个点所确定的直线与正方体的每个面都相交的概率是______ .
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2024-01-28更新
|
137次组卷
|
3卷引用:上海市浦东新区2023-2024学年高二上学期期末数学试题
上海市浦东新区2023-2024学年高二上学期期末数学试题上海市浦东区2023-2024学年高二上学期期末考试数学试卷(已下线)专题16 组合7种常见考法归类-【寒假自学课】2024年高二数学寒假提升学与练(苏教版2019)
4 . 某同学将观察学校柚子树生长习性作为自主研究课题,他观察了校园内6株柚子树成熟结果个数(两位数)并用茎叶图(如图所示)做了记录,则这6株柚子树成熟结果个数的中位数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/27/c18b2c07-812e-40d5-a98e-8d68650554ab.png?resizew=106)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/27/c18b2c07-812e-40d5-a98e-8d68650554ab.png?resizew=106)
A.21 | B.21.5 | C.22 | D.22.5 |
您最近一年使用:0次
2024-01-27更新
|
145次组卷
|
2卷引用:上海市浦东新区2023-2024学年高二上学期期末数学试题
解题方法
5 . 已知函数
.
(1)证明函数
在区间
上是严格减函数;
(2)求函数
在区间
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
(1)证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be381da62d4a042476aa11dbd5824e8d.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
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6 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402c8521b4c81a4cfde12745ecbff274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c424ff234d564383a50df4435ed4e4f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
您最近一年使用:0次
7 . 设数列
是等差数列,且
,
是数列
的前n项和,则当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
______ 时,
取到最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d63459d40d7b525f99c833be97797d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
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23-24高一上·上海浦东新·期末
名校
8 . 记
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee5975e59a21626be301232a83933175.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134b6891d78e5d4b14b8df70c18dc6c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee5975e59a21626be301232a83933175.png)
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9 . 已知全集
,集合
,
.
(1)求A;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea326a93b66099a7511608d88fdaaf14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87bba014ba1686e1c55292174b3ad9d1.png)
(1)求A;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82fd1ee756ac1b0f950c0f6a2bce3178.png)
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23-24高一上·上海浦东新·期末
名校
解题方法
10 . 已知集合M是具有以下性质的函数
的全体:对于任意s,
都有
,
,且
.给出下列四个结论:
①函数
属于M;
②函数
属于M;
③若
,则
在区间
上是严格增函数;
④若
,则对任意给定的正数s,一定存在某个正数t,使得当
时,恒有
.
其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4028ed0e84791a6da036d71af685b63d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5afc7ce5b1f3ac621c3bc08b4e243278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dfefdc8541c51ae463de8b36086374.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4bb0ef04eebd9f4e77a17a12687fff5.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/824011429c74a956d032c2cef00dd3f4.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57cac663990f61a4a3086c6bea3d51f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57cac663990f61a4a3086c6bea3d51f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09e6f1d7eb8c037bbd220e4c9110ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e0bfe66763654b90d7030ea69c8acd.png)
其中所有正确结论的序号是
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