Mathematics -- Fun, Puzzles, Common Errors

Fun With Maths
http://www.abc.se/~m9847/matre/fun.html

Math Puzzles (from Paul Cox's site)
http://members.cox.net/mathmistakes/puzzles.htm

Math Mistakes (by Paul Cox)
http://members.cox.net/mathmistakes/

Common Errors in College Mathematics:
http://www.math.vanderbilt.edu/~schectex/commerrs/

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