解题方法
1 . 已知集合
,
,则有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3924bf154efda88be78f2b7b80e4a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8e8e93576eacd94618d76f84274a92.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a9a9779c1aa971c463447e664aacda8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c35c95376de216b12e94a823d3c9016c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7429327b687fba9fe310907d3fceec09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02d3b492323264be12555c6b7f9378be.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
今日更新
|
1482次组卷
|
4卷引用:2024届天津市北辰区高三三模数学试题
2024届天津市北辰区高三三模数学试题黑龙江省哈尔滨市哈尔滨工业大学附属中学校2023-2024学年高二下学期期末考试数学试题(已下线)1.1-1.2集合与常见逻辑用语【必夺分】强化练(已下线)考点1 集合 --高考数学100个黄金考点(2025届)【练】
名校
3 . 设集合
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee21c7c482bf3e0f6505343a4cc916f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
昨日更新
|
311次组卷
|
3卷引用:云南省曲靖市第一中学2023-2024学年高二下学期第二次阶段性考试(6月)数学试题
4 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/789261d9e7821e5a8f25c692a6daad43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知集合
,
,则
的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c138664de7942939753ea29b3838b508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12aa490418dc88503d3ecae327fccb45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.2 | B.4 | C.8 | D.16 |
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2024高三·全国·专题练习
6 . 设集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20bff8a1d599f62254b890278d923f50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 设集合
.求:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ede6b6f694cc682f4a0f74c2e88957.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7f860e8f0503c476eaf0bd73a71810.png)
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8 . 设
是小于9的正整数
.求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca61cc2979afab1230957e8ee6cdd1c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e30d895c7f599e1c7defcf0016cb9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ddad8804f8f029c712c0eb13cee2ea2.png)
您最近一年使用:0次
9 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7eb4cb198163cc88973445821f9f8d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba93bc36ef74650fe676c3706ba1fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 若集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857aca2b5bad07bba8518948f9becbef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2622c5b0ae7fa8781a2fd72049e733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次