this is too easy!!
0 M- W4 j. j# e0 ]# [# Fos.tvboxnow.com$ E' m9 A6 c) H) O6 `0 L N: p9 ^
1. put 6 at each side.. take the one side which is heavier Y# \% B: J$ X0 X. g% W
2. put 3 at each side.. also take the heavier side
5 j( V* t {5 k8 b+ k3. 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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