A nice new mathematical puzzles competition (in French) is open until 16 May: “Mathematics on a shelf“, a collection of 19 puzzles. Many are quite classical and all can be solved by high school students. The hardest is probably the 11th: create a puzzle, the solution of which must be 2718. The most elegant puzzle wins.

The most obvious property of 2718 is that it is the floor of , but that doesn’t make an elegant puzzle yet!

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This entry was posted on 03/05/2010 at 09:02 and is filed under Mathematical games. You can follow any responses to this entry through the RSS 2.0 feed.
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11/05/2010 at 08:55 |

[…] spent some time this week-end trying to find a mathematical puzzle whose solution is 2718, for the “Mathematics on a shelf” competition, and the first trail was to look into properties of Euler’s number . The following result is […]