anakmalas

this is too easy!!tvb now,tvbnow,bttvb  ^! I  @2 K/ ]* p/ v8 y( S% ~2 F

% R/ X6 _- C$ I公仔箱論壇1. put 6 at each side.. take the one side which is heavier
# W: N' F( h3 U$ X3 ^1 L2. put 3 at each side.. also take the heavier side5.39.217.76! T& V* \% Q; n  M6 n0 U7 b
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..