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Friday, September 3, 2010

Who Knew!

I just discovered there is a YouTube channel devoted to number theory. Latest offering here:

http://tinyurl.com/26unyae

...and a few problems (from elsewhere) to play with here:

http://threesixty360.wordpress.com/2010/09/02/its-a-new-newsletter/

(I suspect 4.2.3 has some shortcut solution, though I'm not seeing it?)

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