take 4 balls as a group, 3 groups - A B C! D* h- q8 R& X2 D" i# S
weigh A & B (ex. B heavier)
$ ^" h2 s' i* E3 T9 r) ?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。then weigh B & C (B & C same weight)os.tvboxnow.com T8 o- |3 e$ b- j( n
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。0 }: a6 h7 ?' y8 i' A: T1 A( |
heavier or lighter
# e: O! J O+ S+ J7 n6 Z6 b公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)( u0 a' {6 ]6 ]1 m3 j
measure E vs F to find which 1 is lighter.... |