Bài 2

#include <iostream>
using namespace std;
int main(){
    int a ;
    int b ;
    cout<<"Nhap so thu nhat : " ;
    cin>> a;
    cout<<"Nhap so thu high : " ;
    cin>> b;
    cout<<"Tong : "<< a+b << endl;
    cout<<"Hieu : "<< a-b << endl;
    cout<<"Tich : "<< a*b << endl;
    cout<<"Thuong : "<<a/b<< endl;
    return 0;
     }