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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C公仔箱論壇& ^% c5 r  K+ U4 z1 y8 E) R
weigh A & B (ex. B heavier)TVBNOW 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。" @; a4 B; z* O, P1 O# D( b
then weigh B & C (B & C same weight)) H3 V, C; t! e- b' {
to find which group has the weight difference and find out is it (A is lighter)
* w/ x0 b" `" d' ?* j  stvb now,tvbnow,bttvbheavier or lightertvb now,tvbnow,bttvb- L4 b7 m! q7 H* O5 `* I
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
& W' w+ H2 j3 \- n  Q6 \3 t5 ?TVBNOW 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。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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