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
. H2 ^3 l7 i) G6 n  z' F" ^共四堆
" C# y! @0 b' R3 F公仔箱論壇称两次得出异常的在那一堆，其轻重
: J  n! s" M4 i* a9 _9 _9 V在异常的那一堆中在称一次公仔箱論壇) P: T- C+ i4 I9 l3 f
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 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。( \- l: w2 P: J; _4 U
weight any 2 sets." o, {' s- `. p5 O# Z
if the 2 sets are equal, then you know the heavy one is in the third5.39.217.77:8898. H- K8 A+ l* @/ _* |$ B# s- r
if one of the 2 is heavier, then the heavy one is in that set
& c# i6 M$ N$ Q. W$ ^4 Q8 i公仔箱論壇then divide the 4 balls into 2.
4 b' Q8 ?3 W$ K& j! B8 ]公仔箱論壇weigh them
" p! M7 ]' C" k# G* s- d' j3 G5.39.217.77:8898and divide the heavier into 1公仔箱論壇: M9 U5 E& D$ s  |; |8 ]. Y7 Y. a0 H
and weight them.1 ^3 I$ E+ I$ @
3 x weighing and get the ans.  
% \/ N7 q4 v, d! {# C- ^. i( Vin less than 15 secs.

kino_kino

1. 6 aside and weight.tvb now,tvbnow,bttvb% X4 M& }9 @" F- N9 K6 @
2. heavier side from (1), 3 aside weight again.
2 M% _& c4 J/ @. v$ T, htvb now,tvbnow,bttvb3. 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. ( y* t! z  o. [
6 q1 V" d, s/ S7 K% }8 P: v& p
but i have a question. 重量異常 can be heavier or lighter.... so......