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
' P0 z% n  F. s' Htvb now,tvbnow,bttvb共四堆公仔箱論壇9 p& a) J5 g  X% u% A1 A7 t
称两次得出异常的在那一堆，其轻重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。7 i5 ?5 \: r- d/ d/ l
在异常的那一堆中在称一次
3 B! k7 j& u: l7 T3 [: l+ X公仔箱論壇就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb5 M& _) U/ R& }5 L6 \" W2 E
weight any 2 sets.tvb now,tvbnow,bttvb' u9 W1 C, x9 {! l) M, Z/ ]
if the 2 sets are equal, then you know the heavy one is in the third  R0 @* l! B) p% J9 P
if one of the 2 is heavier, then the heavy one is in that set
2 |; b3 Z4 V3 Wtvb now,tvbnow,bttvbthen divide the 4 balls into 2.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。) l7 ^& }0 {4 S: H4 J4 c: b' y0 Q6 f
weigh them
5 b( v+ M  P4 T( i/ R- z$ q6 e7 Z7 Vtvb now,tvbnow,bttvband divide the heavier into 1公仔箱論壇# c: B; W; [8 [# k3 G
and weight them.
" {! A- j' Z* p" V+ {. C, M% _公仔箱論壇3 x weighing and get the ans.  , E8 k! \: V! B7 U. `3 _4 B
in less than 15 secs.

kino_kino

1. 6 aside and weight.
7 `" b# x* ?! R8 n  qTVBNOW 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。2. heavier side from (1), 3 aside weight again.
- U, x/ k4 n" [: @, B5 Q( E' S0 y3. 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。9 Z  N0 G& E. K7 x! Q. C* E

: b* U! P, p5 x- k% e. m* I5.39.217.76but i have a question. 重量異常 can be heavier or lighter.... so......