摘要: package qiuyuan; public class Yuan1{ public static void main(String[] args) { int r=3; final double PI=3.14; double z=PI*2*r; double s=PI*Math.pow(3,2 阅读全文
posted @ 2016-09-10 20:34 琢磨先生 阅读(291) 评论(0) 推荐(0)
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