名校
1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa35e54ec7cbcaa0430b6009c87968ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b10892e9d2a9e8332fd4747a5d458a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-29更新
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265次组卷
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2卷引用:河北省保定市唐县第一中学2023-2024学年高二下学期5月期中考试数学试题
2024高三·全国·专题练习
名校
解题方法
2 . 设函数
(1)若不等式
对一切实数x恒成立,求a的取值范围;
(2)解关于
的不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87269d6002a4f78fe4ee9aa53b4cd01c.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e674bf3f00e008ef510c783fcfa18219.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f1040777491b882fa89809cdf337cd.png)
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4卷引用:河北省保定市定州中学2023-2024学年高二下学期五月半月考数学试题
名校
3 . 已知集合
,
,
.
(1)若
时,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c25e44edd0d86032d2f501944f2a4434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94540a0f78c2525d9a37db3d283358de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660683eacfb0d1ad6a2fde9ea61b0a3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-04-24更新
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3卷引用:河北省保定市定州中学2023-2024学年高二下学期五月半月考数学试题
名校
解题方法
4 . 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
5 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2428749e9427b95859859db8e33245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3卷引用:河北省秦皇岛市部分示范高中2024届高三下学期三模数学试卷
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6 . 设集合
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfd8726cdfa88a566b897ae6962f1a2.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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3卷引用:河北省邢台市2024届高三下学期教学质量检测(一)数学试题
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7 . 已知
,若
是
的充分条件,则实数a的值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22f550aa86c35b7b0513b94f9a6eac22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
A.8 | B.10 | C.0 | D.![]() |
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解题方法
8 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bd96ec4970d0592ae8fe04acf32098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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9 . 已知函数
.
(1)若
,求不等式
的解集;
(2)已知
在
上单调递增,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0ba068906acd08973bf89c1c06e81c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc64c9fc732c76bec3e691d7ddbbefe.png)
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10 . 已知等差数列
的前n项和为
,且
,
,若对于任意的
,不等式
恒成立,则实数x可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42c3865acf6c7eae133c6ea341fe96c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4799629218b4b62ffa4082b96888e3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6995e4f0b8e87b34b8b0271325bcacb.png)
A.![]() | B.0 | C.1 | D.2 |
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2024-04-13更新
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4卷引用:河北省重点高中2024届高三下学期5月模拟考试数学试题(一)