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作者: bigblokhk 時間: 2006-12-3 02:35 標題: 【分享】

A very difficult question.

You have 12 marbles and 11 of them are identical. The remaining 1 doesn't known heavier or lighter.
Now you have a balance and can be use only 3 times.

Pls find out the abnormal one and also heavier or lighter!!!!

作者: p12961 時間: 2007-1-1 22:51

pk:023: :023: :023:

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