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个一堆公仔箱論壇! V. n. |, i+ C$ G
共四堆tvb now,tvbnow,bttvb7 a6 A1 P9 q$ O
称两次得出异常的在那一堆，其轻重
+ u0 {) l  F/ M, i( Ywww3.tvboxnow.com在异常的那一堆中在称一次; D; I- F1 Y2 ]; g; B  x8 u
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. * ?- J3 }! Z) H- V
weight any 2 sets.4 |0 ^! w- w- I; Q
if the 2 sets are equal, then you know the heavy one is in the thirdtvb now,tvbnow,bttvb: i; J4 N: t; w6 o: b4 u, r9 M
if one of the 2 is heavier, then the heavy one is in that set
4 S8 z1 L0 i. a0 i( UTVBNOW 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。then divide the 4 balls into 2.公仔箱論壇7 s2 t6 }' s- ]) K
weigh them
' ]4 L( d& P- P2 c- ~and divide the heavier into 1www3.tvboxnow.com0 r) @8 O$ H9 `9 u0 i
and weight them.
1 c. ^- B# e4 |3 L! c公仔箱論壇3 x weighing and get the ans.  
! e3 h, M# @) r3 W9 a- ?2 zwww3.tvboxnow.comin less than 15 secs.

kino_kino

1. 6 aside and weight.www3.tvboxnow.com) i3 h* b) W( K/ N1 r$ ~# a
2. heavier side from (1), 3 aside weight again.tvb now,tvbnow,bttvb7 F  \, l5 W9 R1 P# y9 t
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. tvb now,tvbnow,bttvb4 h) v; r: @. e/ X
公仔箱論壇2 Q& F6 x$ H: h* `; O# u& E% ~
but i have a question. 重量異常 can be heavier or lighter.... so......