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$ r% D. {2 j+ D3 Z4 [8 ^% k
共四堆
. l: b$ W+ J9 P  g* L; R0 ^( U9 a& d公仔箱論壇称两次得出异常的在那一堆，其轻重TVBNOW 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。, H2 U. @! I6 x! x" v1 K
在异常的那一堆中在称一次, c7 y5 A; z( o6 c1 z# E
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. ' Z7 ~1 B! I1 Z# y( z) ]- u
weight any 2 sets.
+ P7 r; v/ y# |& @  uif the 2 sets are equal, then you know the heavy one is in the third
" k( A: y+ p) i* a4 E9 e& A公仔箱論壇if one of the 2 is heavier, then the heavy one is in that set
$ x6 H0 ]( c7 u: T9 F2 I) ^0 a8 uthen divide the 4 balls into 2.
( @# v% \0 l$ U公仔箱論壇weigh them, l: D. i# s4 h
and divide the heavier into 1tvboxnow.com( ~" r. c: X9 L9 X" g
and weight them.: q1 l- h  }1 c. l. p1 c
3 x weighing and get the ans.  
3 B; ~" B3 ]- n/ W2 stvboxnow.comin less than 15 secs.

kino_kino

1. 6 aside and weight.TVBNOW 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。  e8 i2 b; q$ }5 Z1 C$ h7 f  n
2. heavier side from (1), 3 aside weight again.
% ~. _7 z  N2 {9 N7 v' ^tvb now,tvbnow,bttvb3. 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.
5 ]% a# c# b) \# `) B) FTVBNOW 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。tvb now,tvbnow,bttvb0 c* }9 e) i# A8 z
but i have a question. 重量異常 can be heavier or lighter.... so......