已知集合
,全集
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76a616fd5d81e2782d7ae00d6bce61b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6343b1b692a2aa0be1676b6e558528e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2023-10-25 19:37:52
|
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解答题-问答题
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适中
(0.65)
名校
【推荐1】已知集合
或
,
,
.
(1)求
,
;
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070312f3bc71cdaca5c62cdb57e7b352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f549e3b76a7470cac098210d192d6c.png)
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6542327308cd91270d40cc2206f1337.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e968937d457d9e2237b401077ff224a.png)
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解答题-问答题
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适中
(0.65)
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解题方法
【推荐1】已知集合
.
(1)若
,求
;
(2)求实数a的取值范围,使___________成立.
从①
,②
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中选择一个填入横线处并解答.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71efde780097647d43dbe50e7f4602ee.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求实数a的取值范围,使___________成立.
从①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de618aa483d8cb4af28cf47c5c6d1e42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76390b936a4cdc96800af8cb958c01aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28519b95c899fa5e4ba3fb0ef63e8fa6.png)
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解答题-问答题
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适中
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【推荐2】设集合
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(2)设命题
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9069bb5d05a4996b9f0e7a1144d960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa342b50c803cb61506354eb6dfe3212.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)设命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
您最近一年使用:0次