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
" V' o+ H) B6 a5 R6 Z共四堆
/ D- {" m* @  z+ 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。称两次得出异常的在那一堆，其轻重
; z$ f& M4 D' Z! N5 H% Y' p, T在异常的那一堆中在称一次
1 J% y5 l8 |6 z, M/ etvb now,tvbnow,bttvb就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. ) h. X, A1 G4 u
weight any 2 sets.4 {7 d5 b; D8 R7 c- u8 d
if the 2 sets are equal, then you know the heavy one is in the third( ~. F# i* G6 w$ G% R/ J
if one of the 2 is heavier, then the heavy one is in that setTVBNOW 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 Y' Z5 F3 B7 Y0 E
then 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。; t% e- ]% ~7 {$ [4 ]7 o- z
weigh them
$ U* ]1 H9 k; i- Q. 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 divide the heavier into 1tvb now,tvbnow,bttvb5 R, P2 t' l6 K: E) }( ^
and weight them.
; @0 B" \+ m/ b8 L/ `8 C' h/ q4 ]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。3 x weighing and get the ans.  
2 Y, \0 T; j9 l/ M+ nin less than 15 secs.

kino_kino

1. 6 aside and weight.
+ C. w6 V1 ?- U2. heavier side from (1), 3 aside weight again.
2 N1 c& b0 O6 u* t% 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.
: j$ j( M$ m$ ?2 d/ N% Itvb now,tvbnow,bttvb公仔箱論壇: I: h* `. [( r9 q6 s. w
but i have a question. 重量異常 can be heavier or lighter.... so......