tktest1.txt

思路很清晰的c++课件。例子很简明

#include <iostream.h>
double aver(int x,int y);
void main()
{   int a,b;
    cout<<"Enter two numbers:\n";
    cin>>a>>b;
    ____(1)_____
    v=area(a,b);
    cout<<"The average is:"<<v<<endl;
}
double aver(int x,int y)
{   double z;
    z=____(2)____(x+y)/2;
    return z;
}