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what is the sum of all three-digit odd integer palindromes that contain a 2? 

 May 23, 2022
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Two must be the middle digit here, because if it is the end digit, then it would be even, not odd. So we have 5 numbers to include, 121, 323, 525, 727, and 929. Adding these numbers gets a total value of 2625.

 May 24, 2022

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