Question 15481
  ABC
- CBA
-----
= CAB
 A > B > C implies
 So, 1) A+ B = 10 +C
  A + B = 9 + B so A = 9
 & A - 1 = C so C = 8 and B = 9

 Answer
  998
-)899
 ------
  099 


 Something wrong with the given question, plz double check it.

 Kenny