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1#
發表於 2011-11-4 12:49 AM
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1. 1st divide to half take the heavier out公仔箱論壇6 E4 a- w6 a- C: t; p$ }
2. 2nd take 4 balls out of 5 divide 2 groups to get the heavier out. (if is equal thn the remain is the one u looking for)
$ \0 O7 l$ B# l5.39.217.763. Same method if is not equal on 2nd try. |
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