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5.39.217.76' c8 o# S9 S! v! h0 `
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。4 J' G; E$ ]! s5 ?
称两次得出异常的在那一堆，其轻重
/ n7 c+ f5 ?! T7 e4 _) xTVBNOW 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。在异常的那一堆中在称一次
! |% |8 `4 Y4 K% B% R, ^3 \! atvb now,tvbnow,bttvb就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. " U5 M' K! w  |. C4 w8 k
weight any 2 sets.! o% X* Y7 b0 o, R+ h; D# ]6 [& ]
if the 2 sets are equal, then you know the heavy one is in the third
% R8 O! A0 Q5 T: U$ B2 f' Z' e7 q9 ktvb now,tvbnow,bttvbif one of the 2 is heavier, then the heavy one is in that set6 c: ^& o  n0 v0 F2 ^1 M& ~
then divide the 4 balls into 2.tvb now,tvbnow,bttvb1 z8 h* u; s9 L( U% A& R
weigh them0 e& ]6 G' ?9 B- Q) n3 J6 X
and divide the heavier into 1tvb now,tvbnow,bttvb; T& U- J( ?9 }
and weight them.
/ K8 ~0 f  i. @; F3 H2 w( A公仔箱論壇3 x weighing and get the ans.  
5 g: P4 E4 Q3 }0 y$ E4 nTVBNOW 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.  x2 K- t; s( i. }0 P& N9 m: ?& p) o
2. heavier side from (1), 3 aside weight again.$ O  s" [" C5 D5 l1 u- q' ]0 W- V" 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.
; A, c8 ^. N0 V$ Q+ R6 A5.39.217.765.39.217.76+ q. K- D% |8 ]' U
but i have a question. 重量異常 can be heavier or lighter.... so......