第一步:啧啧
1:啧啧,我也不晓得...马星星不给东西!
System.out.println("没办法,请老师揍他");
2:唉~难受啊!
public class Main{
public static void main(String[] args) {
int a = 3;
int b = 4;
int c = 8;
int d = 6;
System.out.println("和为:"+(a+b)+","+"平均值为:"+(c+d)/2);
}
}