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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C; d. I; s) U2 f2 E# G2 B+ e
weigh A & B (ex. B heavier)
7 r  s' [( x. n6 b) x7 Mthen weigh B & C (B & C same weight)5.39.217.77:8898  r4 A. q  j, o! C
to find which group has the weight difference and find out is it (A is lighter)tvb now,tvbnow,bttvb6 [) J5 U% r1 S, b4 X& G
heavier or lighter8 {3 I% H5 }" [8 ~- x
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇( W+ i* m* I$ H, H
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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