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6 L* E8 S& @" B. n
共四堆
% r5 y( Z8 x( t7 j+ stvb now,tvbnow,bttvb称两次得出异常的在那一堆，其轻重- ?+ h% l  A! H+ ~/ Q0 l2 H; ]: P
在异常的那一堆中在称一次
3 T7 K' k/ [4 t就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 2 `, c7 S3 K; W. S" e) v* z
weight any 2 sets.tvb now,tvbnow,bttvb, ?* W- A7 L  o4 c
if the 2 sets are equal, then you know the heavy one is in the third3 T8 L& F. S# `& g% e  g
if one of the 2 is heavier, then the heavy one is in that set2 |# K, p" a) b* e- P" w5 j) J
then divide the 4 balls into 2.+ A& C: a) b* w+ i
weigh them5.39.217.774 A0 l' C) i: [6 b9 h: O! m3 }; O& M
and divide the heavier into 1$ z+ a; K1 E! J+ }' U9 m8 @
and weight them.
1 k9 ~+ l+ k( u; n8 ~8 w7 W+ F  eTVBNOW 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' i3 _' r% f9 _5 T0 ]/ k
in less than 15 secs.

kino_kino

1. 6 aside and weight.& S3 J- B1 \; P( T1 D
2. heavier side from (1), 3 aside weight again.
/ v5 n/ s* C( ]' H5 [7 p! y公仔箱論壇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.
' D0 x$ u6 x) `+ V, ~! {5.39.217.77
- s( @% p! ]0 v7 Z0 u: ^0 B公仔箱論壇but i have a question. 重量異常 can be heavier or lighter.... so......