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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C; m$ c$ S  g4 Z5 Z
weigh A & B (ex. B heavier)
. B, G8 m3 {) v7 q) q. ]  e& D8 ]then weigh B & C (B & C same weight)4 F: m3 k6 Z3 q+ l% A" ^: `
to find which group has the weight difference and find out is it (A is lighter)* m, }9 i& N0 W2 k, N$ }
heavier or lighter公仔箱論壇) y& S! T& i* r) e2 T6 z& }2 T
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
8 U; p. l/ a' b( ]2 |) ctvb 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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