take 4 balls as a group, 3 groups - A B C# g2 `6 S+ l, E: T; a4 x6 \
weigh A & B (ex. B heavier)
# y) ?' Y" D' ^, z公仔箱論壇then weigh B & C (B & C same weight)
- ]* B9 W( s I2 l4 q- J公仔箱論壇to find which group has the weight difference and find out is it (A is lighter)TVBNOW 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。, @2 I& N+ K( s8 y
heavier or lightertvb now,tvbnow,bttvb1 B* w% q" s; c$ |& @
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
* X# v' P+ g0 M3 |公仔箱論壇measure E vs F to find which 1 is lighter.... |