解不等式及不等式组
(1)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9748724c26b51acae0f924f3d9b23d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f901e989e5c47ccf9392f298e9383f.png)
更新时间:2021-09-06 11:41:27
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【推荐1】解不等式(组),并把解集在数轴上表示出来.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a8c51e6ca63937c0650f56fcd522f7.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a8c51e6ca63937c0650f56fcd522f7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3b463cddf3b86e2a4332d18425a689.png)
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