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Topic:  Coin Problem 
Related Item:  http://mathforum.org/mathtools/tool/405/ 
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Subject:  Coin Problem 
Author:  Iulia 
Date:  Mar 9 2004 
I had a really good time playing with this applet. It can be a useful tool
because, in order to solve this puzzle, the students have to analyse
possibilities, draw conclusions and verbalize their findings. The challenge
increases if you have more coins and you don't know if the faked coin is light
or heavy. I heard the problem with 12 coins and 3 weighings a couples of years
ago and then I was able to solve it. For my shame I forgot the solution and I
could not solve it again. However, I don't give up, so if you know the solution
don't say a word...
 
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