用适当的方法解方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab7fdbe52a712e4765dec6f0d985b93.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0933a583a8d38bc0437966b6fd65277c.png)
更新时间:2024-01-08 19:34:59
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解答题-问答题
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【推荐2】用适当的方法解下列方程:
(1)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab02e8acbfe66011714e70bd8a2a53e.png)
(3)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67660360f8fadd2f5572cddd025e0db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab02e8acbfe66011714e70bd8a2a53e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9677e9adf43cd2bf5f9035140aa8f434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7f0b51771983121a55cabc791bf195.png)
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解答题-问答题
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较易
(0.85)
【推荐1】用指定的方法解方程
(1)
(配方法)
(2)
(公式法)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790175972b4d74da08185e3e2317751a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/191e669a6e6cda899955307a195a9502.png)
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解答题-计算题
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【推荐2】(1)解方程:x2-2x=2
(2)计算:2sin60°+
cos45°-tan30°
(2)计算:2sin60°+
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
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【推荐2】解下列方程.
(1)2(1-x)2-8=0 (2 )2x2−
x-1=0 (公式法)
(3)x2-3x+1=0(配方法) (4) (x-1)2-5(x-1)+6=0
(1)2(1-x)2-8=0 (2 )2x2−
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
(3)x2-3x+1=0(配方法) (4) (x-1)2-5(x-1)+6=0
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