名校
解题方法
1 . 设集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d3552fb0c503724992127cad99ea83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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名校
2 . 已知函数
的图象关于直线
对称,若集合
中有两个元素,则正整数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026036d1ed5f1bad77e7b2ffd9daebef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86c847b5c596b715a770da97be96390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
您最近一年使用:0次
2024-03-27更新
|
101次组卷
|
2卷引用:河北省承德市承德县第一中学等校2023-2024学年高一下学期3月联考数学试题
名校
3 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d431c617bac3e68f42ffa04f9a271e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f1b0858395d2424dc96616173c4b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
4 . 记不等式
的解集为
,不等式
的解集为
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19d4c77c35fd938004161c58e7670d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b051e1329de07b78b173b7980ea8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f262205fa7972bdb74ac945fc27a7dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-01-25更新
|
270次组卷
|
2卷引用:河北省保定市部分学校2023-2024学年高一上学期1月联考数学试题
名校
解题方法
5 . 已知
表示不超过
的最大整数,称为高斯取整函数,例如
,方程
的解集为
,不等式
的解集为
.
(1)求
;
(2)已知
,正数
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa03fc3b5d411aef467c36ed353e1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ba9a93be72192e31aa3ec12726ebfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4a4ffd142ec0bdc748ebe283dc05b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ff2912fd8d93b6e692936d95b727c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922a917c34d52e0d4b18536ad4bd02ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7266b2ef457b8ddeee3fa2cc24022e.png)
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解题方法
6 . 已知
表示集合
的整数元素的个数,若集合
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ce3d3a37b19f5b648fe70397b2ce69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25a513541486e2f58ffb2f5e3c438a69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe576cc311d84f38c9b8172516313d96.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-07更新
|
504次组卷
|
3卷引用:河北省保定部分高中2024届高三上学期9月月考数学试题
名校
解题方法
7 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924952af2f62aaed30a2ed5783fcd480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f415fb91eabbe87c0dbf4a1d6421ba61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-08更新
|
617次组卷
|
3卷引用:2024届河北省高三上学期大数据应用调研联合测评(III)数学试题
名校
解题方法
8 . 已知全集为
,集合
,
.
(1)若
,求集合
;
(2)请在①“
”是“
”的充分条件,②
,③
这三个条件中任选一个,补充在下面问题的横线上,并完成问题解答.若_________,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc541af992725d8d4bbbbbd191b788b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a95985a853e186585b554e3b825542.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab907894aec35b45d1520c8fbdc3c50d.png)
(2)请在①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ccea9a39ce78e14ec3080fa15d86c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
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名校
解题方法
9 . 下列命题为真命题的是( )
A.“![]() ![]() |
B.若![]() ![]() ![]() |
C.![]() ![]() |
D.若正数![]() ![]() ![]() |
您最近一年使用:0次
2023-12-27更新
|
311次组卷
|
2卷引用:河北省衡水市冀州中学2024届高三上学期一轮复习效果验收数学试题(二)
解题方法
10 . 已知集合
,不等式
的解集为
.
(1)当
,求实数
的取值范围;
(2)已知函数
,且
,求此函数的最小值构成的函数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0fd15292e05ad8cb8c0876fbdd59fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf84e4d9f4a7edc2643fda82bc5e6ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494876393be320dd15648efc75967d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2ac429737efebf150a1bd088ba846.png)
您最近一年使用:0次