已知全集
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8e8f6d2db6420933a4ac7610d4e567.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514695943af235b19fff35bfa4b6f908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7864c3ee9f7d5c6e1c87efd95464426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8e8f6d2db6420933a4ac7610d4e567.png)
更新时间:2020-02-11 14:38:19
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填空题-单空题
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较易
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解题方法
【推荐1】已知全集
,
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1532ce385e98eaa3acbd729e80b0b25.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15904af429a415284197ca68d9c03736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38ec791ef6475e6b531c34326b72dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3558f63b2a827dc17c95b8eb254e0849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dbbfd53454cf08702dc929ebbb8dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1532ce385e98eaa3acbd729e80b0b25.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐2】已知集合
,
,
,则
的子集个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4f59a3fd052f229e79e5aefa517913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e8d171c3d2d86dc5594cffb51096fe.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab0a54771df984e3bd3da84a80cef43.png)
您最近一年使用:0次