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1 . 已知R是实数集,
或
,
,,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9b0c468ac49eee2b81b0eda9d5166e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17417d922dac412f1a723851ab9ba234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2866ad992f3c3982a5762a6c756d17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd7ae9a5ca2491ec61ef6fa8b058bfd0.png)
A.(1,2) | B.[0,2] | C.![]() | D.[1,2] |
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2020-01-01更新
|
142次组卷
|
2卷引用:2020届西大附中高三12月月考数学(文)试题
20-21高一上·广西南宁·阶段练习
2 . 设全集
,
,
,
,求
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0133a66b76853575ec2475b1fa18eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c74375a348138cdea102a26defadfd96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6bf383bb9e68dde1d91355358d45d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122e6792c6e08fb1db7dad5520dac5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e9881c966bd00471502bd32f914b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf877271082024b7ebc054e1d9aa4df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5b5f921d91594609ccd298188b8fd80.png)
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名校
3 . 已知集合
.
(1)求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cadf39b95c65ace7cf61afec7367919b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d237dfe6689ca7a769a5d1d7b3b8529.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f7fa28320f9752cb83fb3540edd7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知集合A={-1,-2,0,1},B={x|ex<1},则集合C=A∩B的元素的个数为( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2018-03-28更新
|
291次组卷
|
2卷引用:广西陆川县中学2018届高三3月月考数学(文)试题
5 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03f5460abe37c0cb3583198a4e56de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8540bdcc17de5f0e9d060c5c3a2d138.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03f5460abe37c0cb3583198a4e56de0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
6 . 若全集
,则集合
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次