1 . 设U=R,
,
.求A∩B、A∪B、
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f307c90499d230c35efd533ab5220a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d57b3bcbf6ee4ce737f0f7f2d180ed33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5783bbe3c8f5c972179baa4b18b4b956.png)
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10-11高一上·江苏宿迁·期末
名校
解题方法
2 . 已知集合
,
(1)设全集
,求
;
(2)已知集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73cfd8d24dc414ed9684276275f84cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ed6db2ac66e049994d7ce634bac3ec.png)
(1)设全集
![](https://img.xkw.com/dksih/QBM/2018/11/1/2066222254292992/2066795140571137/STEM/b92562bad1694ed2ab84e0b5d202e797.png?resizew=44)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f361314270629b65f963bce7e13fa1b.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbda134188d64c2c27e61fd9dd2497be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e544b1304a6bbc87283cf741f134cebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10-11高一上·吉林长春·阶段练习
解题方法
3 . 已知函数
的定义域为集合A,![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/3808ed6eb1e3418994c64a0298eafed5.png)
(1)求集合
;
(2)若
,求
的取值范围;
(3)若全集
,
,求
及
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/53ea76f5df4046379643b9f07dfc662e.png)
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/3808ed6eb1e3418994c64a0298eafed5.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/44bff77034524a21b8e24e011bf26ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若全集
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/f0aecaad6f064f25bcb7b578afe46294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7892193e97bf330eec0782dfb18fc5.png)
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/e9dd3e48774a458fb53f6daed9cf65e1.png)
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/f6702e1fa5914082ad32c083e6c283bd.png)
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