设全集为
,集合
,
,求
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea6cd440724a3059db805bc5238389e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4e89fc3b9d023c44f7376f7885cfc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f87fe3e4710d0b5b0e16b74fc2d316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b0cbfbb7f9547c3bdcc8356d456935.png)
更新时间:2023-10-18 15:43:51
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解答题-问答题
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容易
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解题方法
【推荐1】在①
或
;②
或
这两个条件中任选一个,补充在下面的问题中.
问题:已知全集
,
,且_________,求
.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4df806b69e724e86417e500f558fb3b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6b253b187fe36e6bd40c46bcfc114a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/398e9f100fd3a03bc9f74933af10a66e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542848e84d71a93f47abbc64926d0db4.png)
问题:已知全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d444186e7e8a7d745dccfed2a0836d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
注:如果选择多个条件分别解答,按第一个解答计分.
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解答题-问答题
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容易
(0.94)
名校
【推荐2】设全集为R,A={x|3<x<7},B={x|4<x<10}.
(1)求∁R(A∪B)及(∁RA)∩B;
(2)若C={x|a-4≤x≤a+4},且A∩C=A,求a的取值范围.
(1)求∁R(A∪B)及(∁RA)∩B;
(2)若C={x|a-4≤x≤a+4},且A∩C=A,求a的取值范围.
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