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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C
2 q, \3 u3 k1 [; L6 {0 m1 p! n公仔箱論壇weigh A & B (ex. B heavier)公仔箱論壇  I  h. z' _# E0 h
then weigh B & C (B & C same weight)
! ?+ l) Y# C/ R& p1 s4 q7 itvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)
( P) C' ?0 J* P5 fheavier or lighter
) Q. |5 G& r" K8 A% x+ G% [www2.tvboxnow.comthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb. l" N8 U! y& g, e' S; H% Y
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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