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, 11:37 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, 12:40 PMundefined
- April 22nd 2010, 04:46 PMdavismj