... long tong1 , tong2 , n; for (n=1; n<=50; n++) { tong1 = vetrai(n); tong2 = vephai(n); if (tong1 == tong2 ) { printf("\nSo %d thoa man dang thuc An Casi. ", n); printf(" ;Tong1 ... printf(" ;Tong1 = %ld - Tong2 = %ld", tong1 , tong2 ); } else { printf("\nSo %d khong thoa man dang thuc An Casi. ", n); printf(" ;Tong1 = %ld - Tong2 = %ld", tong1 , tong2 ); } ... "<<endl; cout<<g; getch();clrscr(); d = a+c; cout<<"\n\n hop cua hai tap hop phan so va so thuc la "<<endl;; cout<<d; e=a*c; cout<<"\n\n...