take 4 balls as a group, 3 groups - A B C公仔箱論壇9 U+ U$ Q7 G1 {2 T
weigh A & B (ex. B heavier)
/ E* n; g8 s) g; \$ f6 }+ U4 ?, l6 `( }tvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
$ n/ e8 X5 B& t4 l- Y公仔箱論壇to find which group has the weight difference and find out is it (A is lighter)
7 [3 x, }6 I1 P9 ^/ O x) O# vheavier or lighter
/ t8 A x1 j4 M; F8 t" H公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF 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。- Q' D/ |* i, E J, b6 p! r
measure E vs F to find which 1 is lighter.... |