已知全集为R,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa6f02a999962bd7a6522c982f7218a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe402f6d4c4ad213938b009c23aa83d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a16841665317c97321a256ef6cbe155.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
更新时间:2023-12-19 22:51:02
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【推荐1】已知全集U={1,2,3,4,5,6},A={1,3,5},B={2,3,4},则(
A)∩B=
![](https://img.xkw.com/dksih/QBM/2016/1/18/1572443373543424/1572443379187712/STEM/402f37032aee44c493ef6ecb57e951f7.png)
A.{2,4} | B.{3} | C.{2,4,6} | D.{1,2,3,4,5} |
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解题方法
【推荐1】已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/206c0c3b52eed4c274336516fb364711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6057228e3b05eee2f47a0bb9af0681b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ed45b1501d71557a9e5a7e130f32b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54787ed040d660cfb223748022e21c01.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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较易
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名校
【推荐2】已知不等式
的解集为
,则不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30d95fe7dacb9b83e4235b642b1cebf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c851951a833480d8a0ef3ad1ca751b9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05547e09484030ebf504b7ccc586ddaa.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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