this is too easy!!
& a. I+ N: B7 o, m7 z7 x d& k3 r* g+ o
1. put 6 at each side.. take the one side which is heavier
' V1 F7 B" y1 ~2 U. M6 `公仔箱論壇2. put 3 at each side.. also take the heavier side
( w- I. b, ~: ~1 ?: |tvb now,tvbnow,bttvb3. 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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