anakmalas

this is too easy!!
% N3 F9 T1 f. t0 a公仔箱論壇
3 P! W* Y( k7 J' Y8 t' MTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。1. put 6 at each side.. take the one side which is heavier
, ^* T2 u9 ]) \2 H6 p1 y6 k' Mtvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side
6 P: q- \. b# E" Y# j& b5 m公仔箱論壇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..