The Fifth Shift
5 weeks ago
Wednesday, October 1, 2008
how to create a smart kid (2)Monday, September 29, 2008
how to create a smart kid(1)Wednesday, September 24, 2008
just a simple logic-factorial-math countingMonday, September 22, 2008
this one is an easy- math question.Saturday, September 20, 2008
solve this math-surd form!Friday, September 19, 2008
how we can have a better happy life (3).Saturday, September 13, 2008
how to solve a Rubik's cube(4)...FINISH
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