先化简,再求值:
,其中
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/250864a103b7ddf059d7235987217a62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0c91693328b9a49178615dac21fae0.png)
更新时间:2024-01-12 09:30:34
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【知识点】 整式的加减中的化简求值解读