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#1 by Angelina tamayo on October 28, 2010 - 2:17 pm
i had been doing reaserch for one of our math and sience nights. and i was wondering how this works
#2 by Dick Termes on November 10, 2010 - 7:10 pm
Hope it makes sense…………….D.Termes
#3 by Dick Termes on November 10, 2010 - 7:15 pm
Did you figure it out?