摘要: 作业1.定义圆半径,求面积package one;public class mj { public static void main(String[] args) { double r=5; double area=3.14*r*r; System.out.println("半径是5,求圆的面积是" 阅读全文
posted @ 2023-03-31 22:21 史孟琦 阅读(34) 评论(0) 推荐(0)