lux1261

答案!!!!!!!!!答案!!!!!!!!!!!答案!!!!!!!!!!!!!1

lesley

^:)^ >:D<

leekh

thx

jc49

let cc

Special_Forces

not possible

sm911118

不知道要怎麼做阿??

laou

hao

jen198053

there got more simple way to do it, just read my way, the one i answered before

samkk123

the

hakis

see 了

jenfien

第一次,一边5个称,若质量没有异常就只称剩下的2个就知道异常的那个了;若有异常就把异常的那5个用一边2个称第二次,若没有异常就是剩下的那个异常了,若有异常就把异常的那2个再2一边1个称第三次就知道了

fxenon

how?

nyb

先分3个一堆
/ S( }- L5 W2 _9 f$ X% E2 I' 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。共四堆公仔箱論壇: d% V6 K$ V: E8 x4 Q9 E! q
称两次得出异常的在那一堆，其轻重5.39.217.76* V/ p% [, o* z* s- a! m
在异常的那一堆中在称一次5.39.217.76  a% ^8 u9 h. t) E6 F3 b
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. # c# ^1 z5 Y7 k" r7 H( H" |
weight any 2 sets.
9 E7 p3 ?, T' N' y& a' C  tTVBNOW 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。if the 2 sets are equal, then you know the heavy one is in the third
: k: x* a4 `3 ]; ^. \- ?5.39.217.76if one of the 2 is heavier, then the heavy one is in that set
0 v" h9 ~. h# V9 k" }then divide the 4 balls into 2.
- R  F- f! r  s! ?3 q7 Ytvb now,tvbnow,bttvbweigh them2 a9 s$ r, L- O4 E* P, a  Z
and divide the heavier into 16 ^( V$ S! n) W! G# G
and weight them.; y  a# w$ c+ L) Q# }
3 x weighing and get the ans.  
8 W$ O. k  v: V) ]2 w! o! W4 n1 L; `3 Kin less than 15 secs.

kino_kino

1. 6 aside and weight.5.39.217.763 i% E" m9 ]1 u0 f6 h# |
2. heavier side from (1), 3 aside weight again.公仔箱論壇/ |$ o5 ?" X4 b
3. heavier side from (2), take 2 out of 3 to weight. If equal weight the one not on the scale is the heavier one. else the heavier one on the scale is the odd one.
% ^" x2 ~& J! s: _, P4 _公仔箱論壇tvb now,tvbnow,bttvb6 j3 ^+ ^+ ~* ^; {; ^* x# |+ o
but i have a question. 重量異常 can be heavier or lighter.... so......