计算或解方程:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d733136f14fe6f888df3f4feae7abb73.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0207ecdf961d73ba309adee6fb5f89.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac571a0913e353e02b06d1332880df64.png)
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbaea74c89b95f7f32ebd70b27fa8f8.png)
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec781b0da96d3fb44eefb8a79afbdda0.png)
(6)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d733136f14fe6f888df3f4feae7abb73.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0207ecdf961d73ba309adee6fb5f89.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac571a0913e353e02b06d1332880df64.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbaea74c89b95f7f32ebd70b27fa8f8.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec781b0da96d3fb44eefb8a79afbdda0.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829c84e88a155915eeef64db8af7e08a.png)
更新时间:2022-04-20 18:26:26
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解答题-问答题
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适中
(0.65)
【推荐2】按要求解下列方程:(1)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059759709b7f5b4e0d2a85f039260004.png)
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您最近一年使用:0次
解答题-证明题
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适中
(0.65)
【推荐2】已知关于x的一元二次方程
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(1)求证:方程一定有两个实数根;
(2)如果a为整数且方程的两个根均为整数,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05d58f01a11e753275abbb0b41a17bd.png)
(1)求证:方程一定有两个实数根;
(2)如果a为整数且方程的两个根均为整数,求a的值.
您最近一年使用:0次