The Laws of Sir Isaac Newton PDF Print E-mail
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Written by Thatcha Namnon   
Saturday, 11 January 2014 16:43

it's about Sir Isaac Newton's 3 Laws of Physics.

ที่มา : www.youtube.com อัพโหลดโดย MindGame Studios

Last Updated on Tuesday, 14 January 2014 10:03
 

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