(1)计算:
.
(2)先化简,再求值:
,其中m是方程
的根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e801ca94f3ff2137d776c0664100617.png)
(2)先化简,再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c810ab8f282b73976321a601adf49c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c346ef9edb3b0e6a36f4e621989a5e.png)
更新时间:2022-05-13 16:26:59
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【推荐1】先化简再求值:
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【推荐1】(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378af58f28f0119437c6d48a64b8da79.png)
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