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user-inactivated  ·  3108 days ago  ·  link  ·    ·  parent  ·  post: Fun and hard little math puzzle

I can see that. 4! is 4x3x2x1 which is 24, and 4/4 is one, so there is 25. That took me about 5 mins of thinking on the best way to get that one done.