Wednesday, September 24, 2008

just a simple logic-factorial-math counting

Monday, 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

Tuesday, September 9, 2008

how to solve a Rubik's cube(3)

Sunday, September 7, 2008

how to solve a Rubik's cube(2)

it's free....

if you find any difficulties in math, please don't hesitate to contact me, please send your question to hi-mamo@hotmail.com i'll do my best.

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