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) j; D! J! ^# ?- j7 Y
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。1 T. ~2 N( l. _
称两次得出异常的在那一堆，其轻重tvb now,tvbnow,bttvb5 x) R1 ?6 T3 A/ z# ^7 m
在异常的那一堆中在称一次& r0 J( J, x3 i, `
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 公仔箱論壇1 F2 j6 c4 U3 r5 @1 W
weight any 2 sets.
9 H+ u" W, ?' f( q5 h$ `if the 2 sets are equal, then you know the heavy one is in the thirdtvb now,tvbnow,bttvb* C3 g3 F2 c. a# u- ^
if one of the 2 is heavier, then the heavy one is in that set
) N0 f8 W- _& A2 `6 b6 `公仔箱論壇then divide the 4 balls into 2.
" H8 L4 \% K& {4 Aweigh them: O# n' d$ B+ L# Y+ o
and divide the heavier into 1" ?4 W1 B9 {/ u1 m
and weight them.
  e1 y& b/ y! G/ U  q, ?7 e9 V公仔箱論壇3 x weighing and get the ans.  
4 L$ B* r& a9 e. E, W4 \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。in less than 15 secs.

kino_kino

1. 6 aside and weight.: m1 _' p" i& F6 D1 \6 y4 Q. Q
2. heavier side from (1), 3 aside weight again.; |! c* N3 V: }
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.
& }# G  u) K0 p" p# r! `' y9 Jtvb now,tvbnow,bttvb5.39.217.77/ }+ s3 N( E* i8 g  t
but i have a question. 重量異常 can be heavier or lighter.... so......