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
2 T. {& r: O/ E" s0 x' ~os.tvboxnow.com共四堆
- e0 r. X1 d- Z& Q称两次得出异常的在那一堆，其轻重tvb now,tvbnow,bttvb" D: S" `! T7 Q3 H. d  @
在异常的那一堆中在称一次
1 |& w5 q3 L0 J" P& a公仔箱論壇就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
6 m4 A+ L; j& d' N" ]8 qos.tvboxnow.comweight any 2 sets.
+ l2 q: n1 G# c, G* T* d) J! ?公仔箱論壇if the 2 sets are equal, then you know the heavy one is in the third
/ D" H# Q" Q) r- Q/ h' z; vtvb now,tvbnow,bttvbif one of the 2 is heavier, then the heavy one is in that setos.tvboxnow.com" U! }3 K" j5 A. l( M; ^2 J! d7 i0 d
then divide the 4 balls into 2.& a1 q$ D' R8 L2 N' T. t# w3 Z7 h
weigh them
- m+ v1 }% F! X% ?2 S; v( y7 u7 j5 B) btvb now,tvbnow,bttvband divide the heavier into 1
" g! l2 z/ W( r# rtvb now,tvbnow,bttvband weight them.
3 l$ w" ]' u+ a6 a2 _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。3 x weighing and get the ans.  
1 X! M5 U/ W8 x6 R# din less than 15 secs.

kino_kino

1. 6 aside and weight.3 v2 _3 h& Q& M0 i
2. heavier side from (1), 3 aside weight again.- B; m' K% h, h
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.
5 ?0 B9 N5 P8 h$ C2 Z6 n& Ttvb now,tvbnow,bttvb5 u- Q' H8 x( F* t
but i have a question. 重量異常 can be heavier or lighter.... so......