解下列不等式:
(1)
;
(2)
;
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af791ab13f48997f59d035e4e8ec8e7d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c4a655be2d2c7092f0cdf9de848d80c.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd1ee0eaf5770118ca9bacdbafdfdb0.png)
更新时间:2020-11-02 21:13:09
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【推荐1】已知集合
.
(1)求
、
;
(2)求
、
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e61b3d7315e72d31a855a1123296400.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9297cd87607255b5c2258b00d43c70.png)
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解答题-问答题
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容易
(0.94)
名校
解题方法
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d75b60032c725ed4abf5e51cc661ca8.png)
(1)若
,求a的值;
(2)当
时,
的解集为M,求M
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d75b60032c725ed4abf5e51cc661ca8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612b55b419253215589db3db55a36a1e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ce29e87ebc7671ee0968fb504fd022.png)
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