this is too easy!!公仔箱論壇 b7 C$ ]2 e; v; W
$ K" Z. D# R: L; q5.39.217.771. put 6 at each side.. take the one side which is heaviertvb now,tvbnow,bttvb- D+ C6 j% p3 v* V, r5 ~
2. put 3 at each side.. also take the heavier side
: d' X# s7 D; S h( c$ Y3. 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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