已知全集
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa26ede4564b80c035c146272384bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657b754dec271c77e43e326a761b4531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17cebe268b01e58f761eb37a308433ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38356b5455c266f549cebc46f91cbd20.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2017-04-28 13:28:42
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解题方法
【推荐1】设全集U=R,集合
,
,则图中阴影部分所表示的集合为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/fe226efe-38d9-4219-9732-a2dd3db2ab98.png?resizew=177)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b5ae305ae868372abae8b413f5f143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e21d26383372cef77dd3ecd784fe46c8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/fe226efe-38d9-4219-9732-a2dd3db2ab98.png?resizew=177)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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【推荐2】若全集
且
,则集合
的真子集共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e75661cf93fcdc3d3aa9cb39b78b7b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec4e5d1f41406d9eab630652365ec7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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较易
(0.85)
名校
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【推荐1】已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dea168f8a569898473be43078087fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c954611a0a27bc65690c0d905e57e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
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