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
0 c8 X3 {/ K* S6 a2 \0 Atvb now,tvbnow,bttvb共四堆os.tvboxnow.com2 n7 U- O0 `, D
称两次得出异常的在那一堆，其轻重! I' y. i& {1 B4 E
在异常的那一堆中在称一次
# M, N8 o8 O9 q- ^" b公仔箱論壇就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
) {- V* {* T" }$ Q2 u4 G: P公仔箱論壇weight any 2 sets.
6 w( p. l! s3 xos.tvboxnow.comif the 2 sets are equal, then you know the heavy one is in the third
2 \( ]1 M# Y; htvb now,tvbnow,bttvbif one of the 2 is heavier, then the heavy one is in that set* [7 D! y7 n" o% ^, ]/ w
then divide the 4 balls into 2.
. g9 L0 R; @4 K; g1 Z: \os.tvboxnow.comweigh them公仔箱論壇# m4 N3 u3 ?9 f% |
and divide the heavier into 1tvb now,tvbnow,bttvb/ l+ A4 D$ D) D
and weight them.
( D9 t& X% Q& K8 Y, q5 J" F+ \' kTVBNOW 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.  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。& E; y% |: O1 N4 z# {" t: H7 |
in less than 15 secs.

kino_kino

1. 6 aside and weight.
0 ?  {. H6 |/ x  G公仔箱論壇2. heavier side from (1), 3 aside weight again.# I5 O) T0 }5 y; K
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.
0 J' M! D6 w* @5 `' a  j* C  |: x/ S2 w
but i have a question. 重量異常 can be heavier or lighter.... so......