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9 i7 l3 H1 {5 P3 K0 H! x7 {
共四堆! Y7 p9 d4 [7 b2 q/ K
称两次得出异常的在那一堆，其轻重& y: P  _3 h% q
在异常的那一堆中在称一次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。/ i/ d2 o2 B9 g# C: X: U- ]
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb% x5 G; Y+ d% ]1 c- l
weight any 2 sets.www3.tvboxnow.com) Z* r& x) N4 e/ u( e; Z
if the 2 sets are equal, then you know the heavy one is in the third6 B. z/ a# K; o5 O! @
if one of the 2 is heavier, then the heavy one is in that set
* g1 j( H, f0 [then divide the 4 balls into 2.% x; x7 M( P& B: ^' T- c& ~/ n$ o
weigh them, Q- E: W' x: u! B6 r! v4 ]
and divide the heavier into 1TVBNOW 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。* T/ `9 p9 w  D# {, I& ~
and weight them.www3.tvboxnow.com' m# y; ^2 j4 ^7 B0 M& j& q
3 x weighing and get the ans.  
* h" |& _' T+ K6 Y- Gtvb now,tvbnow,bttvbin less than 15 secs.

kino_kino

1. 6 aside and weight.
% O. h" g7 |  q) G' c# swww3.tvboxnow.com2. heavier side from (1), 3 aside weight again.tvb now,tvbnow,bttvb: t$ ?1 g) C  V; }8 Z* ^
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.
+ c& Q& d) w' ]0 J  oTVBNOW 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。
. i; u6 w! Y" e. 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。but i have a question. 重量異常 can be heavier or lighter.... so......