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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C/ T  a, n6 s' x3 C1 w; r
weigh A & B (ex. B heavier)
  R# I" h) v$ b' }9 Y1 q5.39.217.77then weigh B & C (B & C same weight)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 h9 Q% ]8 B4 Q( q8 q
to find which group has the weight difference and find out is it (A is lighter)/ o1 G# M! r& W* W0 F5 _
heavier or lighter公仔箱論壇5 p/ u, I3 G9 z% M7 K7 j# _
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)# a& c2 g5 q+ q* A9 U* m
measure 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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