已知集合
,
且
,
.
(1)求
;
(2)若
求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca856f6aad1c8e8bf19fb419ae31d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e637e392563d76b90008f62aa256398a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01cdd3211e43f9005c5bf5e7e5918207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e912bbca80a80ca7a8e9f96d609378c2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35cb1ca80751bbad5cd2b1b67950a12.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b78c85fbc10880d9e392b8af4a5302e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2022-12-19 16:07:45
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相似题推荐
解答题-问答题
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解题方法
【推荐1】已知集合
,
.
(1)若集合
满足
,求实数
的取值范围;
(2)若集合
且
,求集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aff36414a79e921bb1704f66a10d7d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0943ca9eacd8e0718e6d3091c0b3c21e.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640e74922fbb87ba3ca6219ee88f54bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f569c191a60a39899b5056aaa74b9f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c677966eb521127051ab6ae9305d30e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575ccb82c1fde57de0d46c184cdfb61d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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【推荐2】设全集
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/642a2730ad608be16edab94182843a5d.png)
(1)
.
(2)若集合
,且满足
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/642a2730ad608be16edab94182843a5d.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eceac03b1f703d7666d91f1fc952cfad.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc92029aee3cb0b3fbfb1d03fcdcf44d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87903ec9f77456ce07bb444237d34bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐3】已知全集为
,集合
,
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbd798b33313bf5b7e9262e52fbb92bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b606d6c19fce4a6de16f2d74c70bd43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
您最近一年使用:0次
解答题-问答题
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【推荐1】已知全集
,集合
,
.
(1)求
,
.
(2)已知集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa26ede4564b80c035c146272384bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9dc9fbd9565740e85f09e277b70996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00f78ca7b790108cad37e87817be8fa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9682ecfd0d8b9b413e2b5b4b1e7d5f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b631e95a58d8643cd90a878f9fc1d63c.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c79e320acd5854d4fb8316a33474a50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d3f957538c10b25b456f08d04f72be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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名校
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【推荐2】已知集合
,
,
.
(1)若
,求
;
.
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b053401797cebb88aecb12cbc69802d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8991098f7db92387d2e26cd1ced4202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】已知关于
的不等式
的解集为
.
(1)当
时,求集合
;
(2)当
时,求实数
的范围.
![](https://img.xkw.com/dksih/QBM/2012/10/12/1571024803209216/1571024808681472/STEM/d8722e379d7841bab1e5d00e92433b49.png)
![](https://img.xkw.com/dksih/QBM/2012/10/12/1571024803209216/1571024808681472/STEM/535b16e544c1404ea505c3d6aa6307a2.png)
![](https://img.xkw.com/dksih/QBM/2012/10/12/1571024803209216/1571024808681472/STEM/5bf37ef949024219bc559f7c6f81435b.png)
(1)当
![](https://img.xkw.com/dksih/QBM/2012/10/12/1571024803209216/1571024808681472/STEM/62c4e6eae9884daca20fbfbaa03ee59c.png)
![](https://img.xkw.com/dksih/QBM/2012/10/12/1571024803209216/1571024808681472/STEM/5bf37ef949024219bc559f7c6f81435b.png)
(2)当
![](https://img.xkw.com/dksih/QBM/2012/10/12/1571024803209216/1571024808681472/STEM/e014cf114c2749369395f7a68a408f27.png)
![](https://img.xkw.com/dksih/QBM/2012/10/12/1571024803209216/1571024808681472/STEM/97645206da2d4fb1b56ff78bd3e9db4e.png)
您最近一年使用:0次
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【推荐2】已知集合
,
.
(1)求集合
;
(2)命题
,命题
,若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf92c2022a14b9b80a86703497a6903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6cbc22150c6c8ba932a2490bcccc940.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】已知函数
(
且
)的图象过点
.
(1)求实数
的值;
(2)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38d26b94d943b7c3621a7559088488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12f5329716234ea36d40f9058f8270a.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c80ae99a01f2ba9d3dbc080f987919.png)
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