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
( I3 U3 h% \& ]1 v, D6 ~: ~tvb now,tvbnow,bttvb共四堆
6 Q5 U% g8 G$ I$ y8 q2 b- P称两次得出异常的在那一堆，其轻重
: a/ `1 b8 {3 d1 ~/ o在异常的那一堆中在称一次www2.tvboxnow.com& S! ^2 @3 m* R% K
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 2 J% w, Q2 z3 w- A# z
weight any 2 sets.
: L: U  U8 _" j4 Nif the 2 sets are equal, then you know the heavy one is in the third
" ~6 B; H0 `, u% B4 cwww2.tvboxnow.comif one of the 2 is heavier, then the heavy one is in that set, \6 W$ E1 O' A6 h4 c# A' w' a
then divide the 4 balls into 2.
# Q" A8 H8 z3 v+ Nweigh them
1 p! b) x* D- S6 x' gwww2.tvboxnow.comand divide the heavier into 1
8 B1 d3 h) y! ]9 J" BTVBNOW 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。and weight them.2 I9 A- \! [, ~1 M. w
3 x weighing and get the ans.  
/ y' [3 Y4 h7 k5 G+ d0 `# [公仔箱論壇in less than 15 secs.

kino_kino

1. 6 aside and weight.www2.tvboxnow.com' }* _! n- R3 F% x* l
2. heavier side from (1), 3 aside weight again.
$ m7 G7 \( F5 H4 v& `, B8 ]+ D$ F7 M3. 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.
% a  R2 a7 V) L" v% Ctvb now,tvbnow,bttvb公仔箱論壇/ W/ o( s8 Z1 j' V
but i have a question. 重量異常 can be heavier or lighter.... so......