解题方法
1 . 设全集
.
求(1)
;(2)
;(3)
.
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021934080/STEM/fce0e61fdc79485385806fce07385ca4.png)
求(1)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021934080/STEM/1bb3589660cd4808b0db14724ddd632a.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021934080/STEM/ffe459b3f74140238cfe26a0f28fc639.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572392016166912/1572392021934080/STEM/aa4bf77f6ce84fb4a8c468c0d62f7cb6.png)
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2 . 已知全集
,则集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa7bb85e0f872e0b4fccbb3c6270c10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b459ca06c9514227adeb39f8d6bb50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa7bb85e0f872e0b4fccbb3c6270c10.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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11-12高一上·河北邯郸·期中
3 . 已知函数
是
上的增函数,
是其图像上的两点,那么
的解集的补集是_______________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8f33cb39f1a64e7a7514b1dcbe5352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9adbdb286e716a78d5b6625452dcafd5.png)
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4 . 已知全集U = R,不等式
的解集A,则![](https://img.xkw.com/dksih/QBM/2011/10/17/1570319886876672/1570319892217856/STEM/5b6b838cfc804ae7bc7edf18ccb36cdd.png?resizew=48)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd4220d591c3125584034f9b8e80c4a.png)
![](https://img.xkw.com/dksih/QBM/2011/10/17/1570319886876672/1570319892217856/STEM/5b6b838cfc804ae7bc7edf18ccb36cdd.png?resizew=48)
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5 . 设全集
,
,
,则
=
![](https://img.xkw.com/dksih/QBM/2012/2/24/1570770674122752/1570770679185408/STEM/658ffcef3f3c4db08a778de39c82563e.png)
![](https://img.xkw.com/dksih/QBM/2012/2/24/1570770674122752/1570770679185408/STEM/a1e3301b70014f37a50d2e76023d91cb.png)
![](https://img.xkw.com/dksih/QBM/2012/2/24/1570770674122752/1570770679185408/STEM/6d43aaa79b23469293d530081293bc41.png)
![](https://img.xkw.com/dksih/QBM/2012/2/24/1570770674122752/1570770679185408/STEM/45332468fe3a446483aad2ac1968f385.png)
A.{2} | B.{1,2,3} | C.{1,3} | D.{0,1,2,3,4} |
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10-11高一上·吉林长春·阶段练习
解题方法
6 . 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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