文件目录

#include <iostream>
using namespace std;
int main()
{
    /*
    z:9.6*6;
    z-max:9.4*5;
    z-min:9.8*5;
    max=9.6*6-9.4*5;
    min=9.6*6-9.8*5;
    z-max-min:???*4*/
    printf("%5.2f", (9.6 * 6 - (9.6 * 6 - 9.4 * 5) - (9.6 * 6 - 9.8 * 5)) / 4);
    // cout<<" 9.60";
    return 0;
}