Visual Studio 2017
#include "stdafx.h"
#include
#include
using namespace std;
int main() {
int a, b, c;
cout << "a,b,c="; cin >> a >> b >> c;
cout << a << "+" << b << "+" << c << "=" << a + b + c << endl;<br> cout << a << "*" << b << "*" << c << "=" << a * b * c << endl;<br> cout << "(" << a << "+" << b << "+" << c << ")/3" << "=" << fixed << setprecision(3) << (a + b + c)/3.0 << endl;<br> system("pause");
}