Showing posts with label math-tricks. Show all posts
Showing posts with label math-tricks. Show all posts

Friday, August 22, 2008

GUESS YOUR FRIEND'S BIRTH DATE

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.

the easiest way to SPREAD your site.