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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C% _( n. i$ L" I- F, Q& c6 N- F3 ~
weigh A & B (ex. B heavier)
% n9 I& K5 i) q. k' H3 e( _then weigh B & C (B & C same weight)9 r+ N, k0 X8 K
to find which group has the weight difference and find out is it (A is lighter)
. a0 `" E/ f1 j% C1 h1 Fos.tvboxnow.comheavier or lighter7 d  a9 c8 `& i/ g5 M7 w% ?
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇0 b0 |  v4 ^4 G3 n# s1 H8 d
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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