sitsky

take 4 balls as a group, 3 groups - A B C公仔箱論壇& h$ L2 J; Q: X5 P" ~' M
weigh A & B (ex. B heavier)
. F1 m) d$ j) w; \4 f5 rthen weigh B & C (B & C same weight)
$ [( m" E8 s9 A* h# i6 L5 g公仔箱論壇to find which group has the weight difference and find out is it (A is lighter)5.39.217.76- C. j- N! r& A  `3 V
heavier or lighterTVBNOW 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。. y6 `* S  w( q& ^
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
* d3 ?7 A. U! ~measure E vs F to find which 1 is lighter....