已知
、
、
在数轴上的位置如图所示,化简:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619fac96052399e656705124f85f28f3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619fac96052399e656705124f85f28f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/10/280ec3bc-8890-4d8b-9960-ca7e94b78262.png?resizew=219)
更新时间:2021-12-03 11:37:39
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