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
. b+ J6 j, v& [. B3 ]* @* `# Ytvb now,tvbnow,bttvb共四堆tvb now,tvbnow,bttvb( j% l8 b( d8 d
称两次得出异常的在那一堆，其轻重
# Z. }- x' ?- M- x6 b" m  ^在异常的那一堆中在称一次
3 g' m7 @/ m' O- b$ W, z公仔箱論壇就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. " ~# q* i* S+ v2 g; W$ i8 A
weight any 2 sets.6 f' S( j- i1 K+ B. m$ w; A5 O( v
if the 2 sets are equal, then you know the heavy one is in the third
* {, ~6 S5 P# _3 Xtvb now,tvbnow,bttvbif one of the 2 is heavier, then the heavy one is in that set公仔箱論壇$ [) j' D" M, O/ q8 [
then divide the 4 balls into 2.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。) }" O8 L  q% T: @
weigh them
5 K+ b1 `6 h! H' C7 D0 c' ltvb now,tvbnow,bttvband divide the heavier into 13 D9 |6 d2 O6 h& \# X
and weight them.
( U% D. |# Q% k; N7 wtvb now,tvbnow,bttvb3 x weighing and get the ans.  
6 h- h' \. B8 D/ t& g( c5 J! vTVBNOW 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.
& M- B: D6 ]0 E; 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。2. heavier side from (1), 3 aside weight again.tvb now,tvbnow,bttvb3 C% t8 ]: Z2 ]8 \% D9 ~$ t. g
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.
4 _( X- P& _, v& n) f公仔箱論壇
2 |& q! |7 U$ S) m$ Mbut i have a question. 重量異常 can be heavier or lighter.... so......