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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb; S. u" M+ H# ?* v& S- c
weigh A & B (ex. B heavier)
. W! T* J( a* o! [4 R: jthen weigh B & C (B & C same weight)
+ t7 E; `, Z- B) Y9 J% O/ d/ p公仔箱論壇to find which group has the weight difference and find out is it (A is lighter)
, Y7 o; V! E* i公仔箱論壇heavier or lighter
' I% _) O1 R2 U7 _0 Wthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
  x$ i5 w% t7 Y- c* l7 w0 u0 C3 Itvb now,tvbnow,bttvbmeasure 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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