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
5 X' Z. b2 q/ Y4 W. E; ztvb now,tvbnow,bttvb共四堆
# Y. |5 K) u- t6 C3 N2 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。称两次得出异常的在那一堆，其轻重, I6 u  k2 P* p4 A* w
在异常的那一堆中在称一次
+ y! J! A1 X' O. d) c4 v3 qTVBNOW 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。就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
* m, D  \- ]8 a, `" ^* v4 @; uTVBNOW 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。weight any 2 sets.
9 K( ]# x8 Y3 `- c2 x公仔箱論壇if the 2 sets are equal, then you know the heavy one is in the third公仔箱論壇5 Q4 [+ z. U. D
if one of the 2 is heavier, then the heavy one is in that set
) `$ g) q% X$ y# r/ `' utvb now,tvbnow,bttvbthen divide the 4 balls into 2.
* _; K2 n+ i/ K" {. W  f9 N; y; Fos.tvboxnow.comweigh them
: m* y1 [# _; G$ G* P9 D$ i) Gand divide the heavier into 1
( w; Z5 P3 `4 b2 M' {1 n3 \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。and weight them.
& o4 U, ^% T) {$ stvb now,tvbnow,bttvb3 x weighing and get the ans.  公仔箱論壇$ o. ]8 N( z/ v6 r: i
in less than 15 secs.

kino_kino

1. 6 aside and weight.' y$ g4 X. y: d  n: f! G
2. heavier side from (1), 3 aside weight again.
% @# X: S4 u2 x+ F5 ?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" B2 I  Y4 k$ y公仔箱論壇
( A4 v  Q5 f: G) T/ _$ o  x  ATVBNOW 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......