解下列方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d11196c1805e795aa4446decd8b9ac.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a82310a79d2558df27bd5f2c1ea868d.png)
更新时间:2023-10-11 14:07:05
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】已知关于x的一元二次方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e3d813bc563d375c08deac048c1248.png)
①求证:不论k为何值,方程总有两个不相等的实根.
②设
是方程两根,且
,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e3d813bc563d375c08deac048c1248.png)
①求证:不论k为何值,方程总有两个不相等的实根.
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef0f1d503c8f49a1995eb0d8d839562.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】(1)计算:
;
(2)计算:
.
(3)解方程:
(用配方法);
(4)解方程:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac65c419acdca27ede2efdffc795e55.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22f932cd7fe1296c907031d4d509ac36.png)
(3)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28e34cdfe2d71e2064679f6c2a06781.png)
(4)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea3501083bfef9c221377392ae8dcde.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】选择适当的方法解下列方程:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94175aa75c6d0334cdb9e5b6c2242ade.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bba20b2c8086166dc6d76ab86b161dd.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e3a1089b2abfd4cc0a156b22d229d4.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94175aa75c6d0334cdb9e5b6c2242ade.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bba20b2c8086166dc6d76ab86b161dd.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e3a1089b2abfd4cc0a156b22d229d4.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea3501083bfef9c221377392ae8dcde.png)
您最近一年使用:0次