计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b987441ca556d4b7d0d6517f7eb05ff7.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b987441ca556d4b7d0d6517f7eb05ff7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9086e3c237422f26688409476a664963.png)
更新时间:2024-05-07 12:35:29
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【推荐2】已知:实数a,b在数轴上对应的点的位置如图所示,化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924f87d7c1cf20b0281134e65c2daf77.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/29/0c57615a-5352-4dca-840e-99b98df41db3.png?resizew=218)
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