There are three pucks on a plane A, B and C. Hockey player hits one of the pucks in such a way that it went between two other pucks and stopped at some point. Is it possible for pucks to return on its initial place after 25 hits?
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Expert's answer
2010-05-31T11:13:41-0400
No, it is not. After every hit the orientation (that is the way of roundabout way) of triangle ABC changes.
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