public class JAVA{
public static void main(String[] args){
double t;
double s;
double v;
t = ( 35.0 / 60 + 40 ) / 60 + 1;
s = 24 * 1.6;
v = s / t;
System.out.println("平均速度为" + v);
}
}
原文：http://www.cnblogs.com/kongtingting/p/7586840.html