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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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#1 2013-01-09 18:00:50

Maburo
Novice

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Guess My Number!

I am thinking of a two digit number, AB, such that A x B=AB/2, and A+B=AB/4. What is the number AB?

 

#3 2013-01-10 03:37:26

bobbym
Administrator

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Re: Guess My Number!

Hi;

Welcome to the forum.


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

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