用适当的方法解下列方程
(1)![](https://img.xkw.com/dksih/QBM/2015/12/21/1573943299768320/1573943305871360/STEM/401c495e35714e6794aac0d61ff982d0.png)
(2)
(1)
![](https://img.xkw.com/dksih/QBM/2015/12/21/1573943299768320/1573943305871360/STEM/401c495e35714e6794aac0d61ff982d0.png)
(2)
![](https://img.xkw.com/dksih/QBM/2015/12/21/1573943299768320/1573943305871360/STEM/c443cac8b3ea497db85586502e6e336c.png)
更新时间:2016-12-06 03:38:45
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【知识点】 因式分解法解一元二次方程解读