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
( W! C/ y, u, L( t共四堆
  b6 A9 t# O# A8 L3 w! I+ @) [tvb now,tvbnow,bttvb称两次得出异常的在那一堆，其轻重
1 }( w1 t& `$ v- a公仔箱論壇在异常的那一堆中在称一次+ ]& k; F7 g; |" s1 y
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. www1.tvboxnow.com; o: a& B( p; r  y/ K
weight any 2 sets.tvb now,tvbnow,bttvb; k3 {. L# K$ a& Z
if the 2 sets are equal, then you know the heavy one is in the third
! A+ a; j5 U9 Etvb now,tvbnow,bttvbif one of the 2 is heavier, then the heavy one is in that set
! Y( E2 L* z2 KTVBNOW 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。then divide the 4 balls into 2.
* V. ^( I' l" e7 I- C* S3 bweigh them
! f: t' a& v) W/ R  cTVBNOW 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。and divide the heavier into 1
3 P* s2 l& x$ F* w- l! eTVBNOW 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。and weight them.
) Q3 f0 O4 v; V0 R& N+ S3 x weighing and get the ans.  
1 \  P& w; Z0 Y! Y; bTVBNOW 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。in less than 15 secs.

kino_kino

1. 6 aside and weight.www1.tvboxnow.com* ~7 s* ~! i8 O3 j: L& y
2. heavier side from (1), 3 aside weight again.
# [. r/ z: a$ m) X6 E! \www1.tvboxnow.com3. 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. tvb now,tvbnow,bttvb) U4 v% N% \6 P. r( o
公仔箱論壇* t, ]  g# S7 N9 J8 A" |% X% T
but i have a question. 重量異常 can be heavier or lighter.... so......