计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8a279ac4a3023d892b8d65bf553f40.png)
更新时间:2023-08-06 07:28:31
|
相似题推荐
解答题-计算题
|
适中
(0.65)
【推荐1】计算.
(1)(﹣
)﹣2﹣(﹣
)2012×(1.5)2013+20140
(2)分解因式:x﹣2xy+xy2.
(1)(﹣
![](https://img.xkw.com/dksih/QBM/2016/3/10/1573983064293376/1573983070019584/STEM/28f7feb8327d425abb062978bff54e8b.png)
![](https://img.xkw.com/dksih/QBM/2016/3/10/1573983064293376/1573983070019584/STEM/7e3199e7a844404788d788a33da8a4ee.png)
(2)分解因式:x﹣2xy+xy2.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知直角三角形的两条直角边分别是
、
,斜边是
,
(1)如果
,
,求
;
(2)如果
,
,求
及直角三角形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7bd466d65409c10c1a1ce60a3c5ea1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d12a3636365d08943ff65fd7109c024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e15cbd7c42d7b15d7ba8d2b28ab8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7599a906b1f989cea1ed7a7a4ec178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
名校
【推荐1】请回答下列各题.
(1)计算:
.
(2)解一元二次方程:
.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9701ad31e79925f49dbb1aff977b2a54.png)
(2)解一元二次方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd870fbcc7a09dcf5fe80f1705e9ec5.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
真题
【推荐2】计算:(﹣
)﹣2+(π﹣
)0﹣|
﹣
|+tan60°+(﹣1)2017.
![](https://img.xkw.com/dksih/QBM/2017/7/28/1773763570302976/1773763570606080/STEM/43b6a2f44dbb4815afb3b57599dd1396.png)
![](https://img.xkw.com/dksih/QBM/2017/7/28/1773763570302976/1773763570606080/STEM/f196030e113346e485d038f8a830cba2.png)
![](https://img.xkw.com/dksih/QBM/2017/7/28/1773763570302976/1773763570606080/STEM/f196030e113346e485d038f8a830cba2.png)
![](https://img.xkw.com/dksih/QBM/2017/7/28/1773763570302976/1773763570606080/STEM/68d4dea0f0344500a5740a5ab610fe4a.png)
您最近一年使用:0次