已知
,且
,求下列代数式的值.
(1)
;
(2)
;
(3)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b49f9988ec3f5112c14d81483224b7.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/283de05a084a778ac24702c01d7d9b8c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88077a726f060c7c9f1cf5132a4a244e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757eb3f55cff1e6fef064db4efae9e28.png)
更新时间:2021-11-27 19:44:42
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【知识点】 指数幂的化简、求值