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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C% F* g4 d0 ?3 G0 [3 Q1 U' R
weigh A & B (ex. B heavier)5.39.217.77:8898" J) i0 c8 V5 @" B$ E
then weigh B & C (B & C same weight)
! Q7 W& w* m* _$ H: Z* VTVBNOW 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。to find which group has the weight difference and find out is it (A is lighter)
5 r* f, v; ]1 A3 g) h. qTVBNOW 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。heavier or lighter
, d  t* ^$ O8 i1 H5 Ctvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
( q, U- M5 Y0 l4 @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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