标签：pre double csharp main cout turn ret out mes
//026
#include<iostream>
using namespace std;
int main()
{
double i,R,r,m;
cin>>i>>R>>r;
m=i*R+i*r;
cout<<m<<endl;
return 0;
}
标签：pre double csharp main cout turn ret out mes
原文地址：https://www.cnblogs.com/wbyzs/p/10230149.html
