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
3 W5 i4 ?# I2 [/ Z5 B, _9 r5 H共四堆
8 @4 k- E2 U0 {tvb now,tvbnow,bttvb称两次得出异常的在那一堆，其轻重
6 U1 s, j9 w9 k' A" y; b7 Y公仔箱論壇在异常的那一堆中在称一次5.39.217.763 x& \/ d% W7 _& o, x
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
7 I( e% ]' f, O1 t0 ^5.39.217.76weight 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。. p# _( ?% F0 q, T# ^9 A
if the 2 sets are equal, then you know the heavy one is in the third: U( a' Q" v, t! g  T( }
if one of the 2 is heavier, then the heavy one is in that set
0 C0 w5 i8 R. W6 @7 u公仔箱論壇then divide the 4 balls into 2.公仔箱論壇5 S* T1 \7 ^$ M# q% E
weigh them公仔箱論壇1 u& t' M* e' [1 G. ?& I' U
and divide the heavier into 1
' M" s( Q, S7 d: n公仔箱論壇and weight them.
0 B8 U6 f* z; {* 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。3 x weighing and get the ans.  
9 Y. E7 K6 e$ [, j: v! R5.39.217.76in less than 15 secs.

kino_kino

1. 6 aside and weight.
- r* ]9 C/ w9 d3 |/ y- _公仔箱論壇2. heavier side from (1), 3 aside weight again.公仔箱論壇- P6 f  O( _' b
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.
% ]7 Y$ \) ~3 u0 f  j
( m7 E, K1 w) tbut i have a question. 重量異常 can be heavier or lighter.... so......