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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C
) x! A+ m) [- t2 b: F3 i. \tvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
8 @! {$ w: @5 x+ rthen weigh B & C (B & C same weight)tvb now,tvbnow,bttvb' N5 R' `. \$ w; q& ?
to find which group has the weight difference and find out is it (A is lighter)
. L# m' P( h+ b- z! U2 Q1 S+ L. M公仔箱論壇heavier or lighter
1 v5 X7 k; D5 T) D4 TTVBNOW 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)
! }0 e9 p- w  ?) x4 }- F+ pmeasure 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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