分解因式:a3-4a2+4a= .
考点分析:
相关试题推荐
比较大小:8
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191008126391472/SYS201311011910081263914009_ST/0.png)
(填“<”、“=”或“>”)
查看答案
如图,△ABC是等腰直角三角形,BC是斜边,将△ABP绕点A逆时针旋转后,能与△ACP′重合,如果AP=3,那么PP′的长等于( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191008126391472/SYS201311011910081263914007_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191008126391472/SYS201311011910081263914007_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191008126391472/SYS201311011910081263914007_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191008126391472/SYS201311011910081263914007_ST/2.png)
D.
查看答案
在Rt△ABC中,∠C=90°,AC=12,BC=5,将△ABC绕边AC所在直线旋转一周得到圆锥,则该圆锥的侧面积是( )
A.25π
B.65π
C.90π
D.130π
查看答案
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191008126391472/SYS201311011910081263914005_ST/images0.png)
如图,A,B,C,D为⊙O的四等分点,动点P从圆心O出发,沿O-C-D-O路线作匀速运动,设运动时间为t(s).∠APB=y(°),则下列图象中表示y与t之间函数关系最恰当的是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191008126391472/SYS201311011910081263914005_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191008126391472/SYS201311011910081263914005_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191008126391472/SYS201311011910081263914005_ST/images3.png)
D.
查看答案