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多谢。。我是直接刚开始带进去的。。之后推着推着不会了

Posted by yayu_myself at 2010-02-06 00:29:09 on Problem 2405
In Reply To:Re:这题知道圆台公式就OK了。一个while语句就搞定！ Posted by:huangcr at 2008-08-12 10:45:22

> v=直径为D的圆柱的面积-两个园台的面积-直径为d的圆柱的面积。
> 
> V=D*s1-(1/3*(D*s1-d*s2)+s2*d)
> 
> V=2/3*(D*s1-s2*d)
> 
> s1=pi*(D/2)^2
> 
> s2=Pi*(d/2)^2

多谢

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