名校
1 . 已知全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677c45ae26f2d34e279103b878912b55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656f9b8f27f9c0f4d997d842426b358d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc27b2d1b6576ec6fe19a56adea63e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d19c887002cc13f351b14b929c02d1d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 已知
,
,
,则a,b,c的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d4b50e18d45d9bcb5eb1c54232b165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91c81444564bbe380bb48940ebc4adda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0271244d9562845ec8260ebb2fa5f0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 若
,
,
,
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b61249d0f78c0bf73fa17b56bac4da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ae3beff3c3e6d00e256fb9ba0e0578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7cfce7d38cc2b745c7bbcd63d7d7632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70792383ff1c955255afe70b7c9c90c2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-07更新
|
403次组卷
|
3卷引用:天津市第三中学2023-2024学年高二下学期6月月考数学试题
名校
解题方法
4 . 若集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9997af540e552afa4a49c57b606b0b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a27c4583ff2664f25e115d1c6a7ea814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-07更新
|
169次组卷
|
3卷引用:河北省秦皇岛市卢龙县2023-2024学年高二下学期5月考试数学试题
5 . 若集合
,
,则
中所有元素的和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3fddb8b5f4fa45c847ba7c0b20a7508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae98b3919fbfa079be9050235e29b319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知
是定义在
上的偶函数,且当
时,
,则当
时,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b12f2ff24c52fded1dfd0f0b6940a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34c2b39417163191b29820cb4d91100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 函数
的定义域为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f06bbfc4508a9909143870fe503a10b7.png)
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解题方法
8 . 对于数集
,
,定义向量集
,若对任意
,存在
使得
,则称X是“对称的”.
(1)判断以下三个数集
、
、
是否是“对称的”(不需要说明理由);
(2)若
,且
是“对称的”,求
的值;
(3)若“对称的”数集
,
满足:
,
,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c61b6f4ad8f11fa9c6e5268b5368df3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80db4c6ae227b62067e092f740e7a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec1c65f144bd63ed516e001e57852de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f923fcc615e579b8dda937faa9fa40c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01243e3fb9bd7a7711a593f5395b06cd.png)
(1)判断以下三个数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c6fed9c3cf2c00ba1823c3f0a05615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee021c7c1a5df78501eaca655726212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939f7dc30e48606f0aafd5ab6d9a93b5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752455799e49f846e2601304fec5d3b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41130c870a38d91008b7019ae296feca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若“对称的”数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c61b6f4ad8f11fa9c6e5268b5368df3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4049b329e8cf711663e050e0dc9cdea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/007defcff0a2cfbbb6fade9a3ab53bcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346549f9adda7eb363f16d355ae68b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eba583e37243f3ba166bd1c11e58498.png)
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9 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6968cd9478d0fb22756e92532f68ce92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4327d4282a6d3766e6b77d2e3138d2e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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解题方法
10 . 若“
,
”为假命题,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb1bbd495bb6477a9115925a994996f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d832b3548638ae5fcb9e970243decec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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