this is too easy!!
# R2 B8 U3 J% J( r& B [/ r公仔箱論壇tvb now,tvbnow,bttvb) ?" O9 S$ T/ O4 E0 g
1. put 6 at each side.. take the one side which is heavier
* L) \2 h2 m+ H Q. Q, S: gtvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side. z. o5 z5 p/ m" ]) v
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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