Odpowiedź:
c++:
#include <iostream>
#include <cmath>
using namespace std;
int main() {
double a,b;
cout<<"podaj a i b\n";
cin>>a>>b;
cout << "\na+b="<<a+b;
cout << "\na-b="<<a-b;
cout << "\na*b="<<a*b;
cout << "\na/b="<<a/b;
cout << "\na^2="<<a*a;
cout << "\nsqrt(b)="<<sqrt(b);
return 0;
}