计算:
(1)计算:
;
(2)解方程:
.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3b584fa31319941d42c4a27877358f.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df80fa1080d59810f595985f3573264.png)
更新时间:2024-05-29 15:45:30
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解答题-计算题
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适中
(0.65)
【推荐2】(1)先化简,再求值:
,其中
;
(2)
;
(3)解方程:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894c080508d1f85efeeca4601f9cf071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd456469aaa6dafb1e275183d217435.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f38de2f265eb05df0e43b249f4e52fb.png)
(3)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb9decd270397136f2857a27df3d4ab.png)
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