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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C
! G6 e6 a) A3 R  U2 ~6 t公仔箱論壇weigh A & B (ex. B heavier)
" @2 b" z# P& y6 B3 f" T8 LTVBNOW 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)
: R, M# v& n3 X1 Y7 rto find which group has the weight difference and find out is it (A is lighter)
* }2 z8 l3 \0 q/ q) dheavier or lighter
7 z5 l# z' {% |then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
9 |+ y0 j9 \  b5 O* K) ?' |( c5.39.217.76measure 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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