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 k0 p5 ], G: s3 [: q  c9 a7 e0 ~共四堆$ {+ A2 ~5 P, j1 Z2 E
称两次得出异常的在那一堆，其轻重
4 W" v) ^! H9 G* [% m( \& j1 s5.39.217.76在异常的那一堆中在称一次
! J" q$ r# X9 n6 |8 j5 V% ]就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. ; b4 n- m: S4 o: N
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。- O; Q1 r# r) c! [. q
if the 2 sets are equal, then you know the heavy one is in the third5.39.217.76  \8 b$ ]+ b# M# j! Q
if one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb7 a9 a3 P. e3 E' G$ p# H6 T6 r
then divide the 4 balls into 2.
! b4 O# r% [- b5 p" u1 m公仔箱論壇weigh them
1 c1 o6 O0 Z7 f6 ]* c5 `5.39.217.76and divide the heavier into 1公仔箱論壇) a, ~$ W* S: R( f  L
and weight them.5.39.217.76; C2 {7 F" k. T" s2 C- \
3 x weighing and get the ans.  
+ n/ b* b) S  P1 L9 B2 n) @0 h公仔箱論壇in less than 15 secs.

kino_kino

1. 6 aside and weight.tvb now,tvbnow,bttvb7 z# G2 z! V5 j
2. heavier side from (1), 3 aside weight again.
8 b5 O, Q  H7 p! l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. 5.39.217.76- C& f+ X% C' M* w
tvb now,tvbnow,bttvb7 ]) J3 x( l  _' b) m% S
but i have a question. 重量異常 can be heavier or lighter.... so......