c subprograma suma/resta/multiplica/divide dos dígitos (dos decimales).
#includelt; stdio.hgt;
it main()
{int a, b
scanf("dd", amp; a, amp; b);
printf("d d=d\n", a b);
printf("d-d=d\n",
); printf("d*d=d\n", a*b);
printf("d/d=.2f\n", (float)a/b);
devuelve 0;
}