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
0 h1 H1 e; \6 l8 @: Htvb now,tvbnow,bttvb共四堆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。  ?& y! a2 N7 E0 i. e  S& I$ B
称两次得出异常的在那一堆，其轻重
) D8 Y0 k0 f8 R公仔箱論壇在异常的那一堆中在称一次5.39.217.764 d' ^  d, k( b' A! f
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 2 |0 G* Y  `( i$ c  s
weight any 2 sets.0 L* j" X; Y! M( j% G  E
if the 2 sets are equal, then you know the heavy one is in the third
. Q. {" l# a4 Q5 k. v& V# Bif one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb& F% R9 B4 o& z2 ?( t) f: o9 s
then divide the 4 balls into 2.5.39.217.76: m( s- Z4 T/ Q3 A$ T
weigh them
2 R4 P4 R/ I, \1 K  g5.39.217.76and divide the heavier into 1
, I' W0 x8 H9 Z2 b- m& yTVBNOW 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.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。# M. ~( g( \, E0 O, Z9 M% Q( f
3 x weighing and get the ans.  公仔箱論壇& b8 v* x" W8 h% c. `
in less than 15 secs.

kino_kino

1. 6 aside and weight.
% T' |6 M& s- r3 A; j/ Rtvb now,tvbnow,bttvb2. heavier side from (1), 3 aside weight again.. m7 a8 k) q; o8 t7 ^( t2 }( @
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.
* e) S( J* m3 l) W0 ~+ w! u5.39.217.76TVBNOW 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 a/ B5 H7 `2 x, X4 ?7 W/ T
but i have a question. 重量異常 can be heavier or lighter.... so......