给出下列四个结论:①
是不等式
的解集;②
是不等式
的解集;③
是不等式
的解;④
是不等式
的解集.其中正确的是________ .(填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8437c3ae6e4bba9dff7ebd849c11f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16688590aa75a979cc269d934f1bf899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8437c3ae6e4bba9dff7ebd849c11f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9645b227b71170555da33a2393ac6fe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee18d7a40f7a7e0dc85b1bd75bf750c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d89153ff0d4d512e8384cd80e476d9.png)
更新时间:2024-04-22 14:35:44
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的取值范围是_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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