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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+ A- ]. ]; g% C  x" ^! k6 O
weigh A & B (ex. B heavier)
3 h5 J4 R0 A& A3 C/ A公仔箱論壇then weigh B & C (B & C same weight)
: s. v8 D0 s7 y- N" V' Uto find which group has the weight difference and find out is it (A is lighter)
0 z. X: `7 z0 D2 i5 [heavier or lightertvboxnow.com4 ]5 `8 ^- d5 c( J6 f, E3 E* p) U
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvboxnow.com( ?( I% P/ h1 t& r" q# L* U
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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