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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C
$ @& f4 y! R7 c1 L8 ctvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
2 _" d" V/ ?) Z5 f: g; p) htvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
  ^6 z4 M9 ~0 _/ @tvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)# ~6 v; l8 Q: w, P' ?4 d
heavier or lighter
  t0 [9 [' j. F$ u& _* P4 bTVBNOW 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)
3 V( b3 U% x4 x) B1 c; w8 a0 a公仔箱論壇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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