已知集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8904c42987662d09af2ddd2c243a6afe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d0a616b5f92a92f5ba95e41979b647.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2023-03-02 07:49:21
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解题方法
【推荐1】设全集为
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,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d04748ba401dc464eac29bc9339958.png)
(1)若a=1,求
;
(2)问题:已知_________,求实数a的取值范围.
从下面给出的两个条件中任选一个,补充在上面的问题中,并进行解答(请选出一种方案进行解答,若选择多个方案分别解答,则按第一个解答计分)
①
;②
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881717e4566c6d5ed162c2b846a8f49e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d04748ba401dc464eac29bc9339958.png)
(1)若a=1,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)问题:已知_________,求实数a的取值范围.
从下面给出的两个条件中任选一个,补充在上面的问题中,并进行解答(请选出一种方案进行解答,若选择多个方案分别解答,则按第一个解答计分)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7f14bf7f60fe19b509223284455f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
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较易
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【推荐2】已知集合
,集合
.
(1)若
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的取值范围.
(2)若
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的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1354223090a57e1470a37975d0c5f059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8182307f4dfe72c41d06ab6cdec459.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
名校
解题方法
【推荐1】已知集合
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9974d054906aee441ddae889264dc5de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c19f522228b0ff4b0a53e3a830879cf.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a069f116c0e5802c89d7f62f1591f991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172146b67505b7d533caccf9e9aa9265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】已知全集U=R,A={x|﹣3<x<6,
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![](https://img.xkw.com/dksih/QBM/2014/10/14/1571876206510080/1571876212195328/STEM/035829280b194d4f855088bd75df961b.png)
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