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
" q8 }9 D4 m0 ?9 b8 p8 f5.39.217.77共四堆
' d  [( t. G  J% a4 Q. \9 s) j0 C. L称两次得出异常的在那一堆，其轻重
. y2 r( V: ]+ O' mTVBNOW 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。在异常的那一堆中在称一次3 N4 f# c' ^: o$ l
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
1 ]3 K4 Z, R% V; Q: E1 _  G公仔箱論壇weight any 2 sets.
# V2 {5 N) G) U3 O% hif the 2 sets are equal, then you know the heavy one is in the third5.39.217.775 O$ d- D* {+ m; w) E9 Z7 e1 ?
if one of the 2 is heavier, then the heavy one is in that set# b1 U; }# _# n9 O7 x
then divide the 4 balls into 2.
4 d% Y- v+ S: Cweigh them
1 S. [& a0 Q7 u, w公仔箱論壇and divide the heavier into 1公仔箱論壇! h8 O4 _& |0 A8 _6 z+ B" V
and weight them.5.39.217.77& }" ?5 @9 w  E4 t; c7 h( N- c5 V
3 x weighing and get the ans.  . T( p$ L8 n# z7 v5 n
in less than 15 secs.

kino_kino

1. 6 aside and weight.
# [( p2 _' z, t3 rTVBNOW 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.
( z5 b; A3 j- i% ]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.
# u8 a( q& l0 J  C# V公仔箱論壇公仔箱論壇) s  b" ^$ G2 k: Z
but i have a question. 重量異常 can be heavier or lighter.... so......