Nếu lãi mẹ có đẻ lãi con thì
#include <iostream>
using namespace std;
int main (){
   
    int tien, thang;
    float lai;
    cout <<"So tien ban da gui(d):  ";
    cin >>tien;
    cout <<"So thang gui tien:  ";
    cin >>thang;
    cout <<"Voi lai suat(%):  ";
    cin >>lai;
    float...