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% L6 P! k2 o( K3 V
共四堆
% w3 P4 Y3 \7 z/ B- Twww1.tvboxnow.com称两次得出异常的在那一堆，其轻重www1.tvboxnow.com9 V2 E6 M" R6 `6 g! u) K
在异常的那一堆中在称一次公仔箱論壇7 ]+ A, U# u- j+ U4 r; u
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
6 J/ B, j! z0 b' M6 u( xweight any 2 sets.tvb now,tvbnow,bttvb  t. y; Z9 f- D" {% B- ?, j& C
if the 2 sets are equal, then you know the heavy one is in the thirdtvb now,tvbnow,bttvb* J4 U4 H+ i" n8 g) V: y- _5 ^2 t
if one of the 2 is heavier, then the heavy one is in that set
2 {/ {, e; E8 H! N1 s, G" Fthen divide the 4 balls into 2.
( Z& w. D  a% D1 d+ mweigh them1 T" q4 @2 m9 q# }
and divide the heavier into 1$ ^* p$ {% Z- Q8 T$ d; Z5 p9 m* M! e1 Q
and weight them.
$ J3 ^$ O! j+ }) J7 @公仔箱論壇3 x weighing and get the ans.  
0 w3 u* ]0 K: b& e) STVBNOW 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.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。1 B( m5 ~1 k) }
2. heavier side from (1), 3 aside weight again.
  Z* ?4 A% Q# ?8 D* c& J3. 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.
3 r# Y( Y. h# k# Atvb now,tvbnow,bttvbTVBNOW 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。$ K$ n9 {  n; b2 p
but i have a question. 重量異常 can be heavier or lighter.... so......