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5.39.217.77$ G, Q, m3 h1 C
共四堆
4 f/ G/ Z1 E9 `6 d3 k8 p( e8 B# e, h9 _称两次得出异常的在那一堆，其轻重5.39.217.77* {1 O& f; C* v) K
在异常的那一堆中在称一次公仔箱論壇6 ~, x% e4 p9 g, c$ z2 C+ T1 k
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
2 c2 }6 q2 C6 s, ]  J公仔箱論壇weight any 2 sets.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。9 S9 A1 Y$ f3 Y: X- K, Q
if the 2 sets are equal, then you know the heavy one is in the third" B5 d, _; ~& _/ `/ R) t$ H
if one of the 2 is heavier, then the heavy one is in that set
& P0 U5 \! X2 T% n4 P# Wthen 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。* K1 E& p* u& n; ~
weigh them
/ p1 f. K$ O7 otvb now,tvbnow,bttvband divide the heavier into 1
0 V6 H' \/ f& M) 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。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。5 w3 Z" S  {$ x$ Y
3 x weighing and get the ans.  
8 M; n8 T. k6 }* H. T1 d1 vin less than 15 secs.

kino_kino

1. 6 aside and weight.
$ s8 y4 l- L: M3 ?" NTVBNOW 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./ w9 v' G: S8 `
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.
/ k: r. Y8 C: N! z) n) C- j公仔箱論壇& \# @( D3 Q9 H8 l. [4 a
but i have a question. 重量異常 can be heavier or lighter.... so......