count - coin = snub..explain it pls

• snub+coin=count means at last if you see s+c+(carry)=10+c so s may be 8 r 9 and c will be 1 as two numbers some not more than 19 . from this we can do it
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• 1 0 6 5 2
  - 1 0 8 5
  -----------
  9 5 6 7
  
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• C=1
  S=9
  Rest all are 0
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• How to solve that type of question please explain in Brief
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• http://cryptarithmetic.wordpress.com/
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