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
* H( |+ R0 k/ ~  _# s* uTVBNOW 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。共四堆tvb now,tvbnow,bttvb( H% ^6 P$ X9 e2 ^0 Q
称两次得出异常的在那一堆，其轻重
" Y4 d! b- p5 Q8 K1 K9 E; {0 ^5.39.217.77在异常的那一堆中在称一次
+ V5 _$ ^* u- R2 z6 CTVBNOW 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.   O9 P4 l& M& E3 u1 a) O' w7 ~
weight any 2 sets.
! Y8 ^2 F' O/ M1 J4 t公仔箱論壇if the 2 sets are equal, then you know the heavy one is in the third
! c& X& w9 H& Y' X! I4 a$ o  ^5.39.217.77if one of the 2 is heavier, then the heavy one is in that set, N0 Z1 C+ J! ^3 H# V! X$ F
then divide the 4 balls into 2.3 w% C; c; s$ q4 h) U
weigh them
) V+ `) r; H1 Y1 E+ F: `! e) Stvb now,tvbnow,bttvband divide the heavier into 1
: F7 Q  D0 i/ c- [9 ], `* 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。and weight them.2 c) }1 X% y. }
3 x weighing and get the ans.  tvb now,tvbnow,bttvb! j& O+ W; }! @: @4 [. J7 c$ c- U  [
in less than 15 secs.

kino_kino

1. 6 aside and weight.
7 ?  w8 r7 M. r# x; w2. heavier side from (1), 3 aside weight again.公仔箱論壇6 @0 n; W) I9 |( m
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. 公仔箱論壇$ |7 P4 z4 C3 {. K: w
5.39.217.775 M2 X9 J; h( \9 Y
but i have a question. 重量異常 can be heavier or lighter.... so......