名校
解题方法
1 . 已知全集
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542fc29bae1be0f2efe2c7c046bbade1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0374e34de828d94a01c65e98c43f8810.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-25更新
|
938次组卷
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2卷引用:浙江省名校协作体2023-2024学年高三下学期返校考试数学试卷
2 . 设全集为R,集合
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9da9e18f8436090391df2ff26ef0a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a74b8f22c6eba07b4463a24199c7b1.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
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2024-03-14更新
|
594次组卷
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4卷引用:青海省海南州贵德高级中学2024届高三七模(开学考试)数学(理科)试题
3 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465a2e48794ba82228898bfcec8aba28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3deee5508475e736ee4750d86072d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d643560d2d2788ba87f95fbd63e861bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0930d60a699e317abf84066ebe975e11.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 设集合
或
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf9a39a2b6328a6772e5b35c6f06152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cd4e5d7e63d3862675cf9b1d4175cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265b0604611838dab9a4fa9b58f5e4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933347fd4d93628c8a9cb6a540560471.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
5 . 已知全集
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514280f981a93e5851c131e746f6eee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d1e02615f882d47376c2a0d1b09cf74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f5ea27f1457f54c8a89b66fd4a8589.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-06更新
|
235次组卷
|
2卷引用:黑龙江省哈尔滨市第三中学校2023-2024学年高一下学期寒假验收考试数学试题
6 . 已知集合
,记全集
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4497f73267fb40d64b2060730daedd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851b5d5de550aaae89648fd116316706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e65ff351339bde3bbaa4eea3a931e9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 若集合
满足:
,若
,则
,则称集合
是一个“偶集合”.已知集合
,
,那么下列集合中为“偶集合”的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e489b333109e47e74c560af89b52971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582ad43edf388c096e7704d92340bf75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a6052d45e68e4365e8edbad02c0817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71429579bc10939725f4598c7dc10516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647f51fb6db618b0e3c5ff14a4f27a0e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 已知
,集合
,
.
(1)若
,求
;
(2)若“
”是“
”的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e37c35e33ffa1a55a0693ae2319da91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b3cbe0e66f91954f02b91dd70e7a4f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97657d2f5d3c313bb612addd773cb4e0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeec5a1f1bb49c8270e206fa892f372.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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2024-02-17更新
|
447次组卷
|
4卷引用:安徽省马鞍山市劲松学校2023-2024学年高一下学期开学考试数学试题
名校
9 . 已知集合
,
,则
的真子集的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78cf8163ff9d546e350fc45d5aec3bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce628bb70b4225fc00e074a5dcf8014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d0acbfdb43bd9dce60e7826e228079.png)
A.9 | B.8 | C.7 | D.6 |
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2024-02-04更新
|
1530次组卷
|
8卷引用:四川省成都市第七中学2024届高三下学期入学考试数学(文)试题
10 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5171c440294e9699c0a62cde6f4c6e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e34df17449bb9027a1712fe897db77c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-24更新
|
226次组卷
|
2卷引用:河南省新乡市封丘县第一中学2023-2024学年高一下学期开学考试数学试题