计算:(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7cd644ab9ae4f0dd34b5753f128debe.png)
_______ .
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/253d4849f35c7ccaa5e5d4c8e0b239cd.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7cd644ab9ae4f0dd34b5753f128debe.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/253d4849f35c7ccaa5e5d4c8e0b239cd.png)
21-22高一上·全国·课后作业 查看更多[2]
更新时间:2021-12-25 23:09:17
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