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
+ J$ J" M$ d- p) Z4 _. N7 ttvb now,tvbnow,bttvb共四堆
' I! R/ W1 f. |( e' p" k% Y称两次得出异常的在那一堆，其轻重
: [3 ~" ~% K4 w' X: v: X  Y5 G在异常的那一堆中在称一次
% c' p% A6 G* N8 E5 d# K4 \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。就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
3 M% T, j5 z) T7 t  G* |" d+ X+ j4 yweight any 2 sets.
' D1 k% O: E0 i' m- @公仔箱論壇if the 2 sets are equal, then you know the heavy one is in the thirdtvb now,tvbnow,bttvb9 J, d7 j% B+ b' t) V- K
if one of the 2 is heavier, then the heavy one is in that set
# m" o; E3 ?9 S. X5.39.217.77:8898then divide the 4 balls into 2.
) l# Q4 H$ T, B公仔箱論壇weigh themtvb now,tvbnow,bttvb+ d$ {6 D8 ~; Q) B8 }& w' s1 W
and divide the heavier into 12 B. m; k+ r: Z. X
and weight them.
0 j" q* T( E7 S8 e9 X- A$ N) R! Z3 x weighing and get the ans.  
3 C6 _( C  ?$ J- e5 P6 Z# mtvb now,tvbnow,bttvbin less than 15 secs.

kino_kino

1. 6 aside and weight.
, r' f0 q8 d: U% c) }5.39.217.77:88982. heavier side from (1), 3 aside weight again.
1 V* L% O  S( j0 p0 @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. 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。+ f. U" u) a. ?9 @* t5 W
公仔箱論壇9 f4 f8 E. i/ u: ^1 ^( x/ G
but i have a question. 重量異常 can be heavier or lighter.... so......