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
( ]: p/ B2 f  `8 w- Vtvb now,tvbnow,bttvb共四堆tvb now,tvbnow,bttvb( I3 q2 [: x- C" z
称两次得出异常的在那一堆，其轻重
( ^! @3 r" T6 e' 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。在异常的那一堆中在称一次- T2 W4 h( A" c3 m$ ~: c
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb) B8 W" O! c' G. |$ u: v
weight any 2 sets.5.39.217.77:8898" W1 B. y* F* h8 P/ R* i- i1 {
if the 2 sets are equal, then you know the heavy one is in the third
8 m, a: S3 w, q5 d% x' Itvb now,tvbnow,bttvbif one of the 2 is heavier, then the heavy one is in that set
$ h. d1 u1 L, E公仔箱論壇then divide the 4 balls into 2.公仔箱論壇% _% M2 t. \9 P$ ]" R5 s
weigh them  b5 j/ }2 Z5 G* U
and divide the heavier into 1公仔箱論壇$ W& _8 f- Z4 O& h; U; E' ]7 t
and weight them.
4 o/ [  v# }- M' C4 X1 w公仔箱論壇3 x weighing and get the ans.  
9 P2 _+ B% ^* i0 e$ j- s  N$ s; f6 Y公仔箱論壇in less than 15 secs.

kino_kino

1. 6 aside and weight.5.39.217.77:8898) B9 r  G; r% \6 m! @$ S8 I$ Z
2. heavier side from (1), 3 aside weight again.
! b" v, y, B' k" p4 U3. 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.
/ \1 c! R3 ], F6 C) Itvb now,tvbnow,bttvb
  J8 r5 u9 e6 B8 j) DTVBNOW 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。but i have a question. 重量異常 can be heavier or lighter.... so......