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
1 {' x+ v, O1 @4 M3 ^. I/ t共四堆/ X( n6 A% a2 K! e9 @  U
称两次得出异常的在那一堆，其轻重tvb now,tvbnow,bttvb  T  L+ c" c9 o4 n
在异常的那一堆中在称一次# s4 E4 c1 O) {% N8 e9 w
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
  D4 I5 z/ V* @! E! Y公仔箱論壇weight any 2 sets.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。$ s& D" i( F" l& q3 ?# t/ B9 P
if the 2 sets are equal, then you know the heavy one is in the third
: e2 Z, o  D! d: d, ftvb now,tvbnow,bttvbif 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。7 ]( I1 v9 r9 g
then divide the 4 balls into 2.
: s; \2 O+ X* z, B; E: q4 HTVBNOW 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。weigh them公仔箱論壇# N( `1 Z. v! L. ^' \
and divide the heavier into 14 `; u  ]% ^& z
and weight them.
* [. q" P! i8 X! h3 x weighing and get the ans.  
5 l1 s0 l0 K8 t0 Ctvb now,tvbnow,bttvbin less than 15 secs.

kino_kino

1. 6 aside and weight.
6 S' T3 m6 x( n5 xtvboxnow.com2. heavier side from (1), 3 aside weight again.; P. j5 B7 E* s
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.
8 o) D& z) G: d9 Z9 U1 Wtvb now,tvbnow,bttvb公仔箱論壇1 \3 ~1 ^# G7 o- U: x- N
but i have a question. 重量異常 can be heavier or lighter.... so......