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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C0 z& K+ C5 g) J) p0 m% I3 T
weigh A & B (ex. B heavier)
( Q4 b  d3 Q. W9 v/ l$ b$ m  _then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb$ T, f3 M3 l5 V4 A
to find which group has the weight difference and find out is it (A is lighter)
) T! ]; @& n' M, F1 H( I  s公仔箱論壇heavier or lighter
) X3 u* y0 j+ \: R6 ~9 a# }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 measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
: K, _# A/ H$ D  E, a, ~2 Zos.tvboxnow.commeasure E vs F to find which 1 is lighter....
简单!!
easy
???
is it really tht hard?
thank you for your sharing!
???????????????
唔識
thx
;)) ;))
好難呀....
分成a,b,c三堆,分别为5,5,2三堆,先称a与b,若平衡,则中a中取一个与c中任一个称,就得到结果。若a与b不平衡,假设a略重,重a中随机取3个出来加上c中任一个,b中取3个出来加c中的任一个,若平衡,则a中剩余一个就为异常。若a仍重

哈哈

hv a look
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