Thread: The Nines
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Old 25-01-2011, 03:32 PM   #2
_r.u.s.s.
I'm not Russ
but an ex-alektorophobic
 
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Join Date: May 2005
Location: Nitra, Slovakia
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it seems to be fun to play with, but i'd rather teach my "pupils" how to do nines multiplication quickly and properly memorize it in their head
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