(1)计算:
;
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51cc298bc12f733cf6247e31c8f6fef0.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce1d68d911af9e8d4b423670abbfd5b.png)
更新时间:2024-04-10 06:56:26
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【推荐1】用适当方法解下列方程.
(1)
(配方法)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47290d0367dadbe94bcb03419b6d64bd.png)
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec85d144f9128a5cd2cf0fbd517d0c7a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47290d0367dadbe94bcb03419b6d64bd.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef556e047c8593b2a6f8bf72b312a11.png)
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