计算:
(1)解方程:
;
(2)先化简再求值:
;其中
,
.
(1)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b33d0b289f164b063851b343ae9637.png)
(2)先化简再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8711b4bb406e600a22ee08ab6f5e8206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
更新时间:2024-02-29 19:50:02
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