名校
解题方法
1 . 已知集合
,
.
(1)
时,求
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/899d0363ac5ae94768f8b53c5a457e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161c7c7c8cdfbc42fa40d8a60dc53907.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6804f35eec64e48c4d28ee5d50d253.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
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2021-11-12更新
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243次组卷
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3卷引用:安徽省马鞍山市当涂第一中学2021-2022学年高一上学期期中数学试题
2 . 设全集U=R,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d9e7bd80c9f21535429cac1cf0a0504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a06b8258583cca2c6f1b6af956dafff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
A.{2} | B.{1,2} | C.{-1,2} | D.{-1,0,1,2} |
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3 . 已知集合
,
,
或
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0371ee50d839798126e465309675ce59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e51580b83cc18fa35c351a0bd25afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad0d88cebea6e8d800ce6db7724e706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5806497d3b5ec15d89eef8202d54d7a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a0637c4cf3e23f326a3f04c45cd1cf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知全集
,集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b94afb778ae79d385f7fe6d143dd591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d72bc3ebd480e761d156ae995abc1153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259c566521784eefae7b95b482936bb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05cc13f232fb73eaa85e6de8ff45ba3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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