take 4 balls as a group, 3 groups - A B C
4 a* E$ e# i( G) ltvb now,tvbnow,bttvbweigh A & B (ex. B heavier)# B# D5 O# A) v" m4 B
then weigh B & C (B & C same weight)公仔箱論壇( S( O# g* L: f
to find which group has the weight difference and find out is it (A is lighter)
2 n& `3 T8 U6 m! hTVBNOW 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。heavier or lighter
# @1 G+ f2 C. d% U6 o/ f9 sthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
6 E6 f; ]* D5 d- l( M N. p+ Y; ]measure E vs F to find which 1 is lighter.... |