Of 12 distinct two-digit numbers, there are two with a 2-digit difference of the form aa.

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- April 22nd 2010, 10:37 AMIntsecxtanxtwo distinct numbers with a difference of aa
Of 12 distinct two-digit numbers, there are two with a 2-digit difference of the form aa.

- April 22nd 2010, 11:40 AMundefined
- April 22nd 2010, 03:46 PMdavismj