完成下列式子的化简:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d018eb95969c3db10f2892c1635ec03.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c39a10dd720a8df416ebff91c6a68c2.png)
20-21高一·全国·课后作业 查看更多[2]
更新时间:2021-11-26 12:15:27
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