(1)计算:
.
(2)下面是某同学化简分式
的运算过程.
解:原式
第①步;
第②步;
第③步;
第④步;
.第⑤步
上面的运算过程从第 步开始出现错误,请你写出正确完整的解答过程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e76aae55d2539b2a69ad26f0fd120ce.png)
(2)下面是某同学化简分式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10037571bd06479269d2b8ea042e36c.png)
解:原式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e23dc29c9ec04f79bd35a9ee64cfb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f9501a737627e4b15da1623119b91c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14449d940a4b62c05fed0eec3ce9a28e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d455f5a21dbcf659a51350caaa8332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6adaa858bbba509492c64d39496998.png)
上面的运算过程从第 步开始出现错误,请你写出正确完整的解答过程.
更新时间:2023-04-19 15:08:02
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