摘要: package 计算圆锥体面积; class abc extends yuanzhuiti implements Area,Volume { final double PI=3.14;public double volume(double r,double h) { double v; v=r*h/ 阅读全文
posted @ 2019-05-15 19:34 ◉‿◉ 阅读(183) 评论(0) 推荐(0) 编辑