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
" F, G# Y3 x; Q- stvb now,tvbnow,bttvb共四堆- F( E) [1 j/ H5 T4 b& X
称两次得出异常的在那一堆，其轻重tvb now,tvbnow,bttvb% N8 N! ~0 j& }5 ~$ z+ M" e# J
在异常的那一堆中在称一次
: R+ w$ y$ B* t; F) S  {0 A就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
* F$ V  x& K: d" ]- j* r5.39.217.77:8898weight 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。- M5 ~, v% v+ D+ Q3 a
if the 2 sets are equal, then you know the heavy one is in the third
' t0 u: {, b$ ^' u' Y" C1 E+ z5.39.217.77:8898if one of the 2 is heavier, then the heavy one is in that set: s3 H3 n0 l( F; V- c7 T
then divide the 4 balls into 2.9 Z* Z2 K. M( N8 h( d
weigh them5.39.217.77:8898, b1 r" s* ^0 ?* S
and divide the heavier into 1- S- V! Q$ j* j, N
and weight them.
2 ]8 V* X( F& r( A# d# v! }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.  5.39.217.77:8898( r2 n. B5 L0 t& a
in less than 15 secs.

kino_kino

1. 6 aside and weight.; i! e, K) F/ z  @! u1 O9 @' ]1 _
2. heavier side from (1), 3 aside weight again.( ^1 t  `* E. 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.
" N: u7 B& n% I8 o, V公仔箱論壇" l8 |  q. u3 G
but i have a question. 重量異常 can be heavier or lighter.... so......