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October 20, 2014

October 20, 2014

Posted by **000** on Sunday, July 7, 2013 at 9:44pm.

- math -
**MathMate**, Sunday, July 7, 2013 at 10:37pm15 2's = one way

10 2's + 2 5's = 12!/(10!2!) ways

5 2's + 4 5's = 9!/(5!4!) ways

6 5's = one way

Total=194

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