package 随机数输出; import java.lang.Math; public class 随机数输出 { public static void main(String[] args) { // TODO Auto-generated method stub int a,b; a = (int) (291*Math.random() + 10); b = (int) (291*Math.random() + 10); System.out.println(a+" + "+b+" = "+(a+b)); } }