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
! u# T8 `; G0 Y共四堆% y/ `' S/ @, ^7 P( ?
称两次得出异常的在那一堆，其轻重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。7 W5 _  l& S+ m
在异常的那一堆中在称一次公仔箱論壇6 M- O2 q, H$ Q) G
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb, Z# Q, R( W6 E$ R
weight any 2 sets.
0 K3 R9 g7 J  O. ]: i0 Tif the 2 sets are equal, then you know the heavy one is in the third
! @) ^; A9 U9 z" ?: WTVBNOW 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。if one of the 2 is heavier, then the heavy one is in that set
7 a5 Y) K) b1 K7 E# f5.39.217.77then divide the 4 balls into 2.
2 n' m# Y0 I. i9 `weigh themtvb now,tvbnow,bttvb" r2 h: p9 S+ L: i  y
and divide the heavier into 15.39.217.77# y1 I+ X/ M) ^
and weight them.公仔箱論壇1 ~1 E+ K+ c: N$ N, f, F' b& {
3 x weighing and get the ans.  
5 m# [; B+ U' u1 P/ i4 s' |in less than 15 secs.

kino_kino

1. 6 aside and weight.
/ I  ^! }( i5 U3 ~% m0 o3 E0 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.
0 [: V* x0 f1 V8 g7 n) A5.39.217.773. 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. 5.39.217.777 y# x: |8 H, V0 s" y
公仔箱論壇  Y1 \% O; w2 g: }
but i have a question. 重量異常 can be heavier or lighter.... so......