this is too easy!!
4 z# t2 N6 j0 _' U. z2 g
+ Y. E5 I3 _; |' mtvb now,tvbnow,bttvb1. put 6 at each side.. take the one side which is heavier+ `: @8 e$ \6 G" x% ` Y, o
2. put 3 at each side.. also take the heavier side) _& z; W& D8 Q. o. j7 L. Z
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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