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#1 Puzzles and Games » The most difficult problem in south vietnam 2010 » 2010-09-08 04:46:20

giacat
Replies: 2

topic: has 23 coins, a fake money (not that heavy or lighter than the real coins remaining)

three times with electronic weight balance (which is clearly the deviation between the two sides, if the left-right worse then the current is positive on balance, slightly longer if the right than left on the current balance of is the number of audio, while two sides are equal, the current balance of 0 degrees. find a counterfeit coin.

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