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
4 M/ Q$ V8 s. C! V- {2 e) p8 Ywww3.tvboxnow.com共四堆
1 }3 E5 z, E# V0 \) K& Itvb now,tvbnow,bttvb称两次得出异常的在那一堆，其轻重
* {$ M, o% S; o2 y8 A* Xtvb now,tvbnow,bttvb在异常的那一堆中在称一次tvb now,tvbnow,bttvb) l/ Y1 s: [* t. W+ Y6 n
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
8 n# p3 l& m2 [0 i: W$ |2 `weight any 2 sets.公仔箱論壇- T8 x# X& A5 Z! [& _" a  H, `( e
if the 2 sets are equal, then you know the heavy one is in the thirdtvb now,tvbnow,bttvb/ s6 n. r0 c% Q4 [6 y  v
if one of the 2 is heavier, then the heavy one is in that setTVBNOW 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。; H3 M) W: o7 i, x
then 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。; U3 b% P5 P3 J6 k7 S
weigh them" n7 I# g2 l! o' _" J
and divide the heavier into 1www3.tvboxnow.com' {% z6 d0 o% u$ T  s+ p; G
and weight them.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。: _  G5 S# ?) a7 f6 x- \2 r, ~" \9 J
3 x weighing and get the ans.  
+ T1 O* L! _* F; uwww3.tvboxnow.comin less than 15 secs.

kino_kino

1. 6 aside and weight.
( \/ d! V" R/ W2 i8 qwww3.tvboxnow.com2. heavier side from (1), 3 aside weight again.
1 X% T1 f7 o( L/ Z& }& N) E' Y7 u- f. r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. www3.tvboxnow.com/ w, ]2 ~( j/ b( f/ i6 ]

3 K9 w8 C" C( ]" n, ?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。but i have a question. 重量異常 can be heavier or lighter.... so......