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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C
! x7 l' Y  m2 [! Q6 ?& t. q  _% pweigh A & B (ex. B heavier)
& _4 A. Q7 J( [7 W( Q' q1 N3 N8 jwww1.tvboxnow.comthen weigh B & C (B & C same weight)
% J6 p0 \2 P$ Z1 A- F5 F  ]公仔箱論壇to find which group has the weight difference and find out is it (A is lighter)公仔箱論壇/ S$ T) T% I$ J, y
heavier or lighter公仔箱論壇5 Y" |+ t( G8 w3 E# a$ _- ?1 S
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
; c/ C0 e% d7 q  Z/ O; _* Bwww1.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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