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
( X) G' v+ m) v/ v9 ?共四堆
! R: G$ @+ e. I2 F! Z! g3 a: h$ itvb now,tvbnow,bttvb称两次得出异常的在那一堆，其轻重
% N( o  S; m' Y0 ?公仔箱論壇在异常的那一堆中在称一次
- u- e4 u. A# @' X. @) ]& h公仔箱論壇就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb5 s; R7 N! ?8 n" O. w
weight any 2 sets.
. P) Q; |" A$ Z4 _) u* G4 c- l8 I1 U; ewww2.tvboxnow.comif the 2 sets are equal, then you know the heavy one is in the thirdtvb now,tvbnow,bttvb6 ]/ z$ N/ z4 {* L
if one of the 2 is heavier, then the heavy one is in that setTVBNOW 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。9 E% w8 T7 J; |- C- j
then divide the 4 balls into 2.% M; F1 ~( o# D5 L2 F3 m, D
weigh them8 C3 R6 g7 l( a) p+ H( I" M
and divide the heavier into 1
7 Z7 @8 n0 m" U7 q" J" _tvb now,tvbnow,bttvband weight them.
- O7 j; k' K( s7 j" h- A5 }tvb now,tvbnow,bttvb3 x weighing and get the ans.  
6 D# ~, [. h1 P! {+ p1 x$ t" utvb now,tvbnow,bttvbin less than 15 secs.

kino_kino

1. 6 aside and weight.
, L8 G, [; v% G$ G4 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。2. heavier side from (1), 3 aside weight again.公仔箱論壇# _' Z- E& V# w+ @& b/ t
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. % k8 H8 u, |/ P: ]" H* Z2 v
& g& O& n: h2 Z* x" J
but i have a question. 重量異常 can be heavier or lighter.... so......