Răspuns:
1.
#include <iostream>
using namespace std;
int main()
{
int A, B;
cout << "A = ";
cin >> A;
cout << "B = ";
cin >> B;
cout << "Suma este: " << A + B << endl;
cout << "Produsul este: " << A * B;
}
2.
#include <iostream>
using namespace std;
int main()
{
int nota1, nota2, nota3;
cout << "Nota 1 = ";
cin >> nota1;
cout << "Nota 2 = ";
cin >> nota2;
cout << "Nota 3 = ";
cin >> nota3;
cout << "Media notelor este " << (nota1 + nota2 + nota3)/3;
}
3.
#include <iostream>
using namespace std;
int main()
{
int x;
cout << "x = ";
cin >> x;
cout << "Cifra unitatilor este " << x%10;
}
