名校
解题方法
1 . 下列结论正确的是( )
A.函数![]() |
B.若![]() ![]() |
C.函数![]() ![]() |
D.函数![]() |
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2 . 若实数
满足
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377a2333ff8c63cbdb20b882d6d5a7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a4a1a2a3a3b9d15539501245b48f889.png)
A.1 | B.![]() | C.2 | D.![]() |
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名校
3 . 已知函数
,则当
时,
有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f3d53d71ef9072d1db5e10e4f71de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.最大值![]() | B.最小值![]() |
C.最大值![]() | D.最小值![]() |
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2024-02-29更新
|
692次组卷
|
3卷引用:安徽省合肥市第一中学2023-2024学年高二下学期学业水平考试数学模拟卷
解题方法
4 . 定义:对于数
,
,若它们除以整数
所得的余数相等,则称
与
对于模
同余或
同余于
模
,记作
.已知正整数
满足
,将符合条件的所有
的值按从小到大的顺序排列,构成数列
.设数列
的前
项之和为
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027faea423d3431adbdc7c99ef5c0d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c22e0a0b329884814de1ad745bca4508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135076b6c117114d5b4e88facf944f3b.png)
A.12 | B.14 | C.16 | D.18 |
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5 . 若函数
存在零点,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261a338da2cf3279e7a9e8647086b7ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.4 | B.3 | C.2 | D.1 |
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名校
解题方法
6 . 设
,
,
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae018fde08edf0539089f98c17e11ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19bce4c604450307f40dcbd6a9ca6c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a300254f7bb3190403f673d4ab9279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5560ce3b9dd633462ce1338ae137d38.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-04更新
|
1435次组卷
|
2卷引用:安徽省合肥市合肥一中肥东分校2023-2024学年高一上学期期末数学试题
名校
7 . 已知
,
且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237c261a6e3cdcc3b0b563c99c7e0e47.png)
A.![]() | B.![]() | C.2 | D.![]() |
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2024-01-31更新
|
638次组卷
|
4卷引用:安徽省阜阳市2023-2024学年高一上学期期末联考数学试卷
名校
解题方法
8 . 已知
,
是方程
的两个不等实根,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ce9a002fecb285781892ff7f5c85d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2929ac996d1fe92a1709d574911cd399.png)
A.2 | B.![]() | C.![]() | D.3 |
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2024-01-26更新
|
509次组卷
|
3卷引用:安徽省淮北市树人高级中学2023-2024学年高一上学期期末数学试题
名校
9 .
年米勒向诺德尔教授提出的有趣问题:在地球表面的什么部位,一根垂直的悬杆看上去最长
即可见角最大
后人将其称为“米勒问题”,是载入数学史上的第一个极值问题
我们把地球表面抽象为平面
,悬杆抽象为线段
或直线
上两点
,
,则上述问题可以转化为如下的数学模型:如图
,一条直线
垂直于一个平面
,直线
有两点
,
位于平面
的同侧,求平面上一点
,使得
最大
建立如图
所示的平面直角坐标系
设
,
两点的坐标分别为
,
,设点
的坐标为
,当
最大时,
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/22/0238060f-6ba0-4e43-91f4-c12ccfe7e788.png?resizew=282)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8942865796e3cbfa9cd7849b01fce7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913b7537e011acfeec11952731351388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23711dc6a2e6e068a9f2287f8862600e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca51d433190304dd9811b0a1f7b4beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce43981e5251e382690797f24907de2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adfb12013344d46e3f8f72f8bb2e1877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c99201b80f5221722c7d60e49ef9a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/22/0238060f-6ba0-4e43-91f4-c12ccfe7e788.png?resizew=282)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
10 . 已知等差数列(公差不为0)和等差数列
的前
项和分别为
,如果关于
的实系数方程
有实数解,那么以下1003个方程
中,有实数解的方程至少有( )个.
A.499 | B.500 | C.501 | D.502 |
您最近一年使用:0次
2024-01-19更新
|
2807次组卷
|
7卷引用:安徽省合肥一六八中学等学校2024届高三上学期名校期末联合测试数学试题
安徽省合肥一六八中学等学校2024届高三上学期名校期末联合测试数学试题安徽“耀正优+”2024届高三名校上学期期末测试数学试题上海市控江中学2023-2024学年高二上学期期末考试数学试题湖南省长沙市雅礼中学2024届高三一模数学试卷(已下线)新题型01 新高考新结构二十一大考点汇总-1(已下线)专题06 数列(已下线)信息必刷卷01(江苏专用,2024新题型)