this is too easy!!1 E9 K' h4 q0 e' F* r, B' P
公仔箱論壇6 Z& S. ]% V4 d) Q- |, @- N
1. put 6 at each side.. take the one side which is heavier
3 R. i: ]( S( m1 H7 gtvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side
?5 C _. J& v% u+ C9 Y$ G5.39.217.77:88983. 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.. |