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
$ S* T8 c$ p9 k- Los.tvboxnow.com共四堆
$ G. R( |0 [, N. c- H. H3 v称两次得出异常的在那一堆，其轻重os.tvboxnow.com0 Y8 j' T! A0 ]9 d  y7 ?; B4 [
在异常的那一堆中在称一次
# c/ Y3 }4 j* O0 @6 Y9 Z) a公仔箱論壇就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. + f: n/ L; v; v% H2 _
weight any 2 sets.9 P: s$ v) r9 l+ n" X
if the 2 sets are equal, then you know the heavy one is in the thirdtvb now,tvbnow,bttvb7 l2 R6 ?$ R% g6 F
if one of the 2 is heavier, then the heavy one is in that set
6 S; }- X- M9 mtvb now,tvbnow,bttvbthen divide the 4 balls into 2.tvb now,tvbnow,bttvb9 n$ U4 d$ ?0 t: |! r
weigh them
1 r/ O& C. z$ \  f5 Q公仔箱論壇and divide the heavier into 1公仔箱論壇6 I' Y# t8 G: X  b% c
and weight them.公仔箱論壇" m/ Z  ^3 j* ~6 l  K
3 x weighing and get the ans.  6 J0 z6 P( }, U
in less than 15 secs.

kino_kino

1. 6 aside and weight.tvb now,tvbnow,bttvb/ q  z1 Y: f. `4 y6 B/ t$ N
2. heavier side from (1), 3 aside weight again.
0 b7 K8 J% C7 M  v- i1 G. gtvb 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. 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。# O2 w7 V- V9 V0 c
tvb now,tvbnow,bttvb' ]2 ~; X) l# ?6 f# F0 j+ o) U4 @4 y
but i have a question. 重量異常 can be heavier or lighter.... so......