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
& m9 n0 n, ~; m1 i! r7 G& Y/ |. E共四堆5.39.217.77:88987 p6 ]& k2 l1 I: |! r# z
称两次得出异常的在那一堆，其轻重公仔箱論壇, s3 L1 ?3 @& y8 x7 T
在异常的那一堆中在称一次tvb now,tvbnow,bttvb3 s0 V1 Z4 V0 D! b7 i
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 公仔箱論壇6 s! `/ |1 F; O1 |/ b- Q
weight any 2 sets.公仔箱論壇9 ?  R+ O7 N  o5 D9 f2 a
if the 2 sets are equal, then you know the heavy one is in the third公仔箱論壇& e! w1 `  O; C; z
if one of the 2 is heavier, then the heavy one is in that setTVBNOW 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。* d( `/ I6 {9 A8 N* x
then divide the 4 balls into 2.+ |. }+ v  B4 v! A1 ?
weigh them5.39.217.77:88986 L( |2 g1 x: F8 F' u. i: P
and divide the heavier into 1tvb now,tvbnow,bttvb' M& T0 O) u, _% G/ z8 H( X8 f; B! d
and weight them.
6 _4 B* W$ P8 v5.39.217.77:88983 x weighing and get the ans.  
* a3 ?% i4 x' X5 a# D9 KTVBNOW 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。in less than 15 secs.

kino_kino

1. 6 aside and weight.tvb now,tvbnow,bttvb/ W3 b2 ?5 Z' m8 e$ }
2. heavier side from (1), 3 aside weight again.
9 u+ Y' Z3 f! I3. 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.
# x5 ]4 D" H6 V- I8 DTVBNOW 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。公仔箱論壇* O6 X& T3 |, [3 T) t
but i have a question. 重量異常 can be heavier or lighter.... so......