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7 B9 P% N* e( B- l2 \* c8 |- k- g8 G
共四堆tvb now,tvbnow,bttvb1 @" u: p6 o' E9 R
称两次得出异常的在那一堆，其轻重5.39.217.77:8898/ F" Y, ]! m3 H
在异常的那一堆中在称一次公仔箱論壇& P$ Q/ z' ]) q* s4 N% ~0 H) V/ k
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 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。  `* h$ d7 L4 R$ j! y
weight any 2 sets.5.39.217.77:8898& ]* P9 o3 V- m/ ]  B
if the 2 sets are equal, then you know the heavy one is in the third
2 t5 m( q7 Y5 k1 m  m5 w0 k" {+ P5.39.217.77:8898if one of the 2 is heavier, then the heavy one is in that set
2 q3 I1 b0 X% d/ H4 x+ M" m公仔箱論壇then divide the 4 balls into 2.
- }& M& L/ m( ~- `% X' W公仔箱論壇weigh them5.39.217.77:8898' R0 i, F$ b, |" [. W
and divide the heavier into 1
  n+ _- ~3 k9 Y) rtvb now,tvbnow,bttvband weight them.
7 n% S# a. m/ x" m! `& Htvb now,tvbnow,bttvb3 x weighing and get the ans.  
$ T; P$ S/ k. y. d( O; O% Ain less than 15 secs.

kino_kino

1. 6 aside and weight.
! {4 X( ^, Z1 I- w5 a3 @8 Z! M公仔箱論壇2. heavier side from (1), 3 aside weight again.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* p7 {" [; K
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. 5.39.217.77:8898+ M) J8 x, ]; Y- |+ J4 z
tvb now,tvbnow,bttvb  l  s, D. w2 p  P6 ]
but i have a question. 重量異常 can be heavier or lighter.... so......