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  1. #include <iostream>
  2. using namespace std;
  3. int main()
  4. {
  5. float a, b, c, srednia, suma;
  6. cout << "\n";
  7. cin >> a >> b >> c;
  8. suma = a + b + c;
  9. srednia = suma / 3;
  10. cout << "Suma wynosi: " << suma << "\n";
  11. cout << "Srednia wynosi: " << srednia;
  12. return 0;
  13. }
  14.  
  15.  
Success #stdin #stdout 0.01s 5316KB
stdin
3
4
5
stdout
Suma wynosi: 12
Srednia wynosi: 4