(1)解不等式组![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424d0be05241eae8693b87792e0c4b25.png)
解:①解不等式①,得 ;
②解不等式②,得 ;
③把不等式①和②的解集在数轴上表示出来:
![](https://img.xkw.com/dksih/QBM/2022/4/20/2962517400100864/2964391790436352/STEM/61b01475-010b-4721-8d66-8fc99b6efaa9.png?resizew=270)
④原不等式组的解集为 .
(2)解方程:
+1=
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424d0be05241eae8693b87792e0c4b25.png)
解:①解不等式①,得 ;
②解不等式②,得 ;
③把不等式①和②的解集在数轴上表示出来:
![](https://img.xkw.com/dksih/QBM/2022/4/20/2962517400100864/2964391790436352/STEM/61b01475-010b-4721-8d66-8fc99b6efaa9.png?resizew=270)
④原不等式组的解集为 .
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ebfca5d354cde868ef6477d499263b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611b3a50609360bdadb0e2d68301de1c.png)
2022·湖北武汉·一模 查看更多[2]
更新时间:2022-04-23 15:33:26
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