根据要求解答下列问题:
(1)化简:
;
(2)解方程:
.
(1)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22dc71f57164d7075151453d0270fef.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548e4081524e0b48760bbd79e6aac8fb.png)
更新时间:2022-07-21 20:59:39
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解答题-计算题
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较易
(0.85)
【推荐1】先化简:
÷(x﹣
),再从﹣2,﹣1,0,1,2中选取合适的数代入求值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba47913198b244c8bf24c7cfe0b05c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75591dc14ce80ef223b22ccd959bc1f5.png)
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