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
+ T2 k+ d) Y8 V7 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。共四堆5.39.217.778 K( f) m" n) [1 k# U
称两次得出异常的在那一堆，其轻重: b% U* m6 p& n7 o3 w
在异常的那一堆中在称一次公仔箱論壇6 x/ r( K" g' k& x$ j) U& w4 c% p! d
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 公仔箱論壇7 j6 B  J: f- A$ [
weight any 2 sets.
" v5 ?$ q7 _- w( l# b; Otvb now,tvbnow,bttvbif the 2 sets are equal, then you know the heavy one is in the third
) ]( r/ b( v) {" Ctvb now,tvbnow,bttvbif one of the 2 is heavier, then the heavy one is in that set
: ~) ]9 T8 b3 k" D1 ^% L5.39.217.77then divide the 4 balls into 2.tvb now,tvbnow,bttvb, u9 K9 a  H- B; P7 ]/ x6 n
weigh them
% X2 a5 h  o' u/ Q5 Rand divide the heavier into 1tvb now,tvbnow,bttvb9 @" @) u0 L! U' c7 `  b
and weight them.
: f3 @3 I' k; I+ Z8 T1 Z2 @tvb now,tvbnow,bttvb3 x weighing and get the ans.  
4 i$ D  e8 C" @7 k7 E5 }5.39.217.77in less than 15 secs.

kino_kino

1. 6 aside and weight.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。, v& C+ j% i+ R8 ?5 Q
2. heavier side from (1), 3 aside weight again.公仔箱論壇0 e7 }* E# D- u) p# v) e
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.
+ X- S7 Z0 f; Y' J( O- [
8 d, F. \9 A0 _tvb now,tvbnow,bttvbbut i have a question. 重量異常 can be heavier or lighter.... so......