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
, W4 D$ e8 C. x$ utvb now,tvbnow,bttvb共四堆
; V( ]+ M9 o' W7 `tvboxnow.com称两次得出异常的在那一堆，其轻重公仔箱論壇, O( i* n6 X1 N
在异常的那一堆中在称一次
9 L4 ]1 _: \  c  g# Z% d& f  N& |4 N公仔箱論壇就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. + F/ L* I" g. {3 P5 R0 ~" j8 _+ N
weight any 2 sets.公仔箱論壇* n% K( E2 G# z4 {- `- x! n
if the 2 sets are equal, then you know the heavy one is in the third
0 A$ e8 X% t8 h4 }4 ^if one of the 2 is heavier, then the heavy one is in that settvboxnow.com: l; Y4 J' B9 ?; f" m7 R2 j
then divide the 4 balls into 2.8 K" F* X( {  p6 l- n' M' l
weigh them
! ?( S& |- H& R. R* r7 gTVBNOW 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
2 B! e  Y" v- F. B- htvb now,tvbnow,bttvband weight them.
7 {  t8 w+ N* @4 E% ~' S! ktvb now,tvbnow,bttvb3 x weighing and get the ans.  
: n7 l& _+ U; i- G- Hin less than 15 secs.

kino_kino

1. 6 aside and weight.2 d$ `, E1 T* H) ?
2. heavier side from (1), 3 aside weight again.* ~6 n/ Z0 Z. l, N+ N+ r1 x! V
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.
' @7 C7 \) K  X, ]* b1 q) |% Ntvboxnow.com5 {) _7 y/ [# Z$ V* _  g& t9 N4 b
but i have a question. 重量異常 can be heavier or lighter.... so......