计算:
(1)解方程:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e92a616ea43a1c33758d6a7252170ad.png)
(2)解方程组:
.
(1)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e92a616ea43a1c33758d6a7252170ad.png)
(2)解方程组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9998d325fc39b410cfab4b65ff7236d.png)
更新时间:2021-11-21 15:12:59
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【推荐1】(1)计算:20220
+(
)﹣2;
(2)求2(x﹣1)2﹣18=0中x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dcde94601ce024c99337d68890b71cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(2)求2(x﹣1)2﹣18=0中x的值.
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