已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b212348a2b1beac86e8467fef9d052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3981a4411e7a81e8536fc745ebddd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-12-10 21:46:54
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解题方法
【推荐2】若集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f22e357187cd994040296382bd533ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257a6d158ade37062af80513f5623de7.png)
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【推荐3】已知集合
,
,则
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0596aa2dfb0a6b05b0391b8a73abca4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d849e4bb3eafeddb45f4d71d3d6c2f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d807981350ca3d68d8006beee5d1818.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324181bd4e79f44a103877f6be34e03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe156c10c39e5214f325ce8a2180858.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
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较易
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解题方法
【推荐2】已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e301a893b4e5f9ed35fd913db9c32c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea2a418f3409163d716eaf1d3a5f1ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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【推荐1】命题
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,命题
:
,则
是
成立的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c354be10f49f79ca7fdd3da9837a9b5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90af9ba1a3d2362ecba6775e1d0030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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