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
4 F1 m# z9 U! b共四堆
# c- J5 ]1 @; [称两次得出异常的在那一堆，其轻重
- C/ ~) [6 B6 z1 Wtvb now,tvbnow,bttvb在异常的那一堆中在称一次tvb now,tvbnow,bttvb9 q1 r9 b+ v1 Q! k
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
+ c2 V+ b$ U% \+ ^/ r3 z. R; Jtvb now,tvbnow,bttvbweight any 2 sets.% P  U$ f, g: o
if the 2 sets are equal, then you know the heavy one is in the third
/ C$ h9 ?6 u# q3 f3 s  J4 n3 ]if one of the 2 is heavier, then the heavy one is in that set
  ^+ y6 a0 W) G7 G; W公仔箱論壇then divide the 4 balls into 2.
. [9 a- Q) X& O% d4 @公仔箱論壇weigh them公仔箱論壇( G4 S+ ^5 |' _' e! [
and divide the heavier into 1
  b6 ?7 }4 i2 W8 |- l% {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。and weight them.: c: D/ r7 d& J
3 x weighing and get the ans.  
# O* c5 b* K; w4 U( G- B) L: }in less than 15 secs.

kino_kino

1. 6 aside and weight.8 J/ I7 b  m; P- [
2. heavier side from (1), 3 aside weight again.
# j6 ]. M: m; W) }0 S3. 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. tvb now,tvbnow,bttvb* K/ o: m7 P* Y# {, c* [; D

' n- |9 ~1 a9 f/ @: e公仔箱論壇but i have a question. 重量異常 can be heavier or lighter.... so......