摘要: 随机产生的四则运算(java) import java.util.Random; public class QQ { public static void main(String[] args) { String[] operate=new String[]{"+","-","×","÷"}; in 阅读全文
posted @ 2017-03-11 21:25 张佳慧1502720137 阅读(157) 评论(0) 推荐(0) 编辑