满分5 >
初中数学试题 >
如果点P(x,y)的坐标满足x+y=xy,那么称点P为和谐点.请写出一个和谐点的...
如果点P(x,y)的坐标满足x+y=xy,那么称点P为和谐点.请写出一个和谐点的坐标: .
考点分析:
相关试题推荐
若二次根式
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190244179812209/SYS201311011902441798122012_ST/0.png)
有意义,则x的取值范围是
.
查看答案
如图,直尺一边AB与量角器的零刻度线CD平行,若量角器的一条刻度线OF的读数为70°,OF与AB交于点E,那么∠AEF=
.
查看答案
抛物线y=x
2的图象向上平移1个单位,则平移后的抛物线的解析式为
.
查看答案
如图,Rt△ABC中,∠ACB=90°,AC=BC=2
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190244179812209/SYS201311011902441798122009_ST/0.png)
,若把Rt△ABC绕边AB所在直线旋转一周,则所得几何体的表面积为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190244179812209/SYS201311011902441798122009_ST/images1.png)
A.4π
B.4
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190244179812209/SYS201311011902441798122009_ST/1.png)
π
C.8π
D.8
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190244179812209/SYS201311011902441798122009_ST/2.png)
π
查看答案
如图,某游乐场一山顶滑梯的高为h,滑梯的坡角为α,那么滑梯长l为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190244179812209/SYS201311011902441798122008_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190244179812209/SYS201311011902441798122008_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190244179812209/SYS201311011902441798122008_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190244179812209/SYS201311011902441798122008_ST/2.png)
D.h•sinα
查看答案