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A comment on Martin Gardner's best mathematical puzzles.

Re:Martin Gardner's best mathematical puzzles by mijoharas on Tuesday October 21, 2014 @08:56AM (#8487037)
Has anyone got an answer for 7? I think I have the rest of them, (whether I'm correct or not obviously remains to be seen).
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Re:Martin Gardner's best mathematical puzzles by ubernostrum on Tuesday October 21, 2014 @09:03AM (#8487078)
#7 is somewhat famous, and there are plenty of articles available on it if you google for the name of it.
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Re:Martin Gardner's best mathematical puzzles by mijoharas on Tuesday October 21, 2014 @04:05PM (#8489567)
Ahhhh... seems really obvious in retrospect. Thanks.
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Re:Martin Gardner's best mathematical puzzles by frakturfreund on Tuesday October 21, 2014 @09:28AM (#8487185)
Hint: Think about the colors …
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Re:Martin Gardner's best mathematical puzzles by kip_ on Tuesday October 21, 2014 @09:57AM (#8487323)
Think about what happens when you lay down any domino on that chessboard.
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