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
, {% @9 f, Z7 n, o! Q( b* `共四堆tvb now,tvbnow,bttvb8 o& W9 a6 z3 t$ e% F! r7 @0 K3 Z
称两次得出异常的在那一堆，其轻重
3 @, p( e3 H6 Y0 |, 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。在异常的那一堆中在称一次公仔箱論壇  |' D* D, g4 Q: l. o; \
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb- Y' D. Y4 s5 @6 }
weight any 2 sets.
7 D. H8 G" u/ n( T6 HTVBNOW 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 the 2 sets are equal, then you know the heavy one is in the thirdTVBNOW 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。: W" ]& E4 k& y: R
if one of the 2 is heavier, then the heavy one is in that set
; R' C6 l) h9 U, b/ y3 othen divide the 4 balls into 2.& @6 D# L% k/ Z1 q8 T: [! n
weigh them
* Z4 ?1 d% \2 R- }4 J( g5 d; _/ X' }公仔箱論壇and divide the heavier into 1
/ R4 B! F8 ^& B  L' S- q7 s: fand 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。" F4 \" {0 |6 n( X! f
3 x weighing and get the ans.  
" X7 c) e. L: x  T* q, {8 fTVBNOW 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。in less than 15 secs.

kino_kino

1. 6 aside and weight.
' D3 y! o- P# \& i# b  q' c公仔箱論壇2. heavier side from (1), 3 aside weight again.
9 i, R0 t2 E/ @8 f: C. Utvb now,tvbnow,bttvb3. 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 o' Z7 s) H- `) W
tvb now,tvbnow,bttvb- M. c( h( p2 q5 Q& I/ k8 h) a
but i have a question. 重量異常 can be heavier or lighter.... so......