摘要: 1.3 1.8 Public class Area { public static void main(String[] args) { double radius; double area; Math.Pi; double circle; radius =5.5; circle=2 * PI *r 阅读全文
posted @ 2017-09-10 21:44 张立平 阅读(132) 评论(2) 推荐(0) 编辑