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
' L. l1 s  d( Y' n& Y1 l共四堆5.39.217.76  s. D7 {1 `& p8 f, a/ u
称两次得出异常的在那一堆，其轻重公仔箱論壇( ^- E: s7 Y0 f# _3 W9 a
在异常的那一堆中在称一次
0 G4 x# {9 V5 R0 p7 _就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
9 k0 F: c7 F+ S7 ?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。weight any 2 sets.公仔箱論壇  L4 ^. k5 ~* i
if the 2 sets are equal, then you know the heavy one is in the third
* ]% ?  F1 C/ ~8 T公仔箱論壇if one of the 2 is heavier, then the heavy one is in that set
" a" P5 T' V/ |5 Z) V: X) Q公仔箱論壇then divide the 4 balls into 2.
" u% s* ], K4 }! F/ F! P公仔箱論壇weigh them
. j# O6 o! y* z3 i8 E* q3 ]  U1 H公仔箱論壇and divide the heavier into 1
* L$ C0 k5 ^! s& X+ cand weight them.
0 ~% }) b8 p. Htvb now,tvbnow,bttvb3 x weighing and get the ans.  
* k2 W# l. z4 l' |" Y5.39.217.76in less than 15 secs.

kino_kino

1. 6 aside and weight.公仔箱論壇6 ?! G" m# n2 f4 S* O
2. heavier side from (1), 3 aside weight again.公仔箱論壇' r  h& n# z1 q# C4 A7 C
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.
) Q3 l9 t5 {( A; T$ R* |/ s0 o, S" V5 W4 R& y
but i have a question. 重量異常 can be heavier or lighter.... so......