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
- o' N6 f: G8 b2 N* s" y共四堆
( M6 g: f/ K" }% U. U- l* W0 J2 pTVBNOW 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。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。: j7 D  e: r; x. _1 X
在异常的那一堆中在称一次公仔箱論壇$ {% Q# s! v- [' N1 ]3 C1 v3 l% I' q8 i
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
1 B+ k$ t. y) a; \/ q. wtvb now,tvbnow,bttvbweight any 2 sets.
  ~; U( \" N) f公仔箱論壇if the 2 sets are equal, then you know the heavy one is in the thirdtvb now,tvbnow,bttvb  ]: s9 E& X& ~: Q# b5 x
if one of the 2 is heavier, then the heavy one is in that set" v- u( }  G; \7 B, l7 h
then divide the 4 balls into 2.
$ |. L$ x- j: DTVBNOW 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。weigh them
+ g3 }8 a1 w: Q3 o6 K; C公仔箱論壇and divide the heavier into 1
( Y8 V! u5 L& q/ L' e/ G* yand weight them.
: Y) ~7 [2 {" D/ _3 q: R  C, ?3 x weighing and get the ans.  ! i$ F6 v- W" }7 P
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。9 j8 a/ X+ d% h# H
2. heavier side from (1), 3 aside weight again.tvb now,tvbnow,bttvb4 ~7 \/ c  M4 w6 M
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.
; B. a' B+ @) G" f' h5.39.217.77
1 W, ?* d4 I1 u7 G8 pTVBNOW 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。but i have a question. 重量異常 can be heavier or lighter.... so......