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#1 2008-07-07 15:44:48

infinitebrain
Member
Registered: 2008-07-01
Posts: 153

need help on mental math

Does anyone know any mental math tips and tricks and some helpful mental math websites?dunno
[I'm not bright on mental math]


The best thing about life is you don't know what to expect

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#2 2008-07-07 23:38:17

JaneFairfax
Member
Registered: 2007-02-23
Posts: 6,868

Re: need help on mental math

Check out Ganesh’s own subforum: Ganesh’s Puzzles

He has plenty of mental-math puzzles there, particularly in this thread: http://www.mathisfunforum.com/viewtopic.php?id=4373 smile

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#3 2017-05-25 15:47:38

Monox D. I-Fly
Member
Registered: 2015-12-02
Posts: 858

Re: need help on mental math

I wonder do in that thread we need to actually take only 10 seconds?

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