摘要：
参考来源:http://www.cnblogs.com/hellodp/p/5134815.html 1 package com.zuoye; 2 3 import java.util.*; 4 5 public class yanzhengma { 6 7 public static void m 阅读全文
摘要：
1 package com.er; 2 3 import java.math.MathContext; 4 import java.util.Random; 5 6 public class baozhuang { 7 8 public static void main(String[] args) 阅读全文