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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. double z1, z2;
  7.  
  8. cin >> z1;
  9. cin >> z2;
  10.  
  11. cout << z1+z2 << endl;
  12. cout << z1-z2 << endl;
  13. cout << z1*z2 << endl;
  14. cout << z1/z2 << endl;
  15.  
  16. return 0;
  17. }
Success #stdin #stdout 0s 5284KB
stdin
10.5
0.5
stdout
11
10
5.25
21