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tvb now,tvbnow,bttvb) L9 P. l; D! V( N5 G
共四堆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。/ m9 g1 f; P5 T- L
称两次得出异常的在那一堆，其轻重tvb now,tvbnow,bttvb9 {- ?: E  h3 k* q
在异常的那一堆中在称一次
- K& F: M6 O9 u8 ^" F0 u就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
/ V, l0 B! R' z7 ]& K. e公仔箱論壇weight any 2 sets.
+ U0 t/ _! O/ F" g$ otvb now,tvbnow,bttvbif the 2 sets are equal, then you know the heavy one is in the third
4 x0 N2 Q( R* J  I2 Hif one of the 2 is heavier, then the heavy one is in that set
1 ~) Y- L/ ?( p% m- Sthen divide the 4 balls into 2.
3 [6 m* r7 h& @9 f) Z; i公仔箱論壇weigh them
6 b/ G$ R! f" u4 o+ m$ Z, ?tvb now,tvbnow,bttvband divide the heavier into 1
/ Z# v+ Y# l( K# O( B' }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.
+ T1 \: y, K/ d% [4 }3 x weighing and get the ans.  
5 H. W" W+ a* [) n/ H; z% ?公仔箱論壇in 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。! d  i& U8 Q( z  N/ R: L5 k% F% k
2. heavier side from (1), 3 aside weight again.
/ C, @- L& c0 ~. Y% ~$ A/ 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.
; c( a% \# V4 G6 i2 n9 X公仔箱論壇公仔箱論壇$ W" b2 b7 {: F
but i have a question. 重量異常 can be heavier or lighter.... so......