(1)计算:
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d71e4de795829227a90715c8854889.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352faf17c7283852f2dab50f5f67e615.png)
更新时间:2024-05-21 09:47:43
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解答题-计算题
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【推荐1】(1)解分式方程
;
(2)已知
,
与
成反比例,
与
成正比例,且当
时,
.求
关于
的函数解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119975321c7cdcc08b405bbca677a5f4.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845a73eeb5503d7b95dafee8dd0fece8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b924d856924e8cf2b172d5cacffe0610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1904f4401fc1ce9b1d9fce4b382202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解答题-问答题
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【推荐2】图是嘉淇同学解方程
的过程:
解:方程两边同时乘
,得
.第①步
解得
. 第②步
经检验:
是原分式方程的解. 第③步
(1)嘉淇的解法从第______步开始出现错误,这一步共有______处错误;
(2)请写出该方程正确的解答过程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079868bc7bb1566fdacf86d8d5cb91f7.png)
解:方程两边同时乘
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ff8feef5ee44dcb30ccc8215dbee9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/badb0182eb6622f9a0442ce9002d80ff.png)
解得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
经检验:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(1)嘉淇的解法从第______步开始出现错误,这一步共有______处错误;
(2)请写出该方程正确的解答过程.
您最近一年使用:0次