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3 u8 Z# A. B# w+ Z& ?5.39.217.771. put 6 at each side.. take the one side which is heavier公仔箱論壇# L$ W: V9 B1 V- l7 v+ T8 s3 b/ o6 b
2. put 3 at each side.. also take the heavier side
4 G/ H8 i, k5 ~. g" H% {. _公仔箱論壇3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |
發表於 2009-1-7 05:31 AM
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