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    3. what are the 2 numbers that one adds to original number to pick the next number coming up? is it 9 and 11?
    what are the 2 numbers that one adds to original number to pick the next number coming up? is it 9 and 11?

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    0  Views: 512 Answers: 1 Posted: 13 years ago
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      1 Answer

      http://www.jimloy.com/puzz/magic.htm 


      http://wbilljohnson.com/journal/math/ninetricks.htm 


      http://www.scribd.com/doc/56169719/Amazing-Math-Tricks

      13 years ago. Rating: 0
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