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。/ }2 v. \+ K0 W/ T! b( e5 y
共四堆
/ @& g! C$ J. X7 w) y  Z公仔箱論壇称两次得出异常的在那一堆，其轻重3 w$ |- ?: e3 e" z( s3 x
在异常的那一堆中在称一次公仔箱論壇* L0 _; P: G3 p
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
  r/ O: H5 B8 hweight any 2 sets.1 j0 A- U3 `9 {; T* Z
if the 2 sets are equal, then you know the heavy one is in the third& D) a& @6 n# a' ^  ?% o
if one of the 2 is heavier, then the heavy one is in that set, [" M! \, W  y3 b+ _
then divide the 4 balls into 2.
5 W( |, E, e) W3 p. Atvboxnow.comweigh them: j2 @) ~4 z$ V# D% X, S! K( T
and divide the heavier into 1! X+ V: s0 Q' {0 \, \
and weight them.
2 t+ [$ ^8 j; ]( R: Q3 x weighing and get the ans.  tvb now,tvbnow,bttvb& e, p/ ^* B+ a
in less than 15 secs.

kino_kino

1. 6 aside and weight.: E3 L  o$ j" G" R0 L
2. heavier side from (1), 3 aside weight again.
' r; z( z3 d0 A% X6 k3. 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.
) L6 t; w' S5 L
& r8 m, ]3 u1 ?5 P% }/ p; ]" k: ^but i have a question. 重量異常 can be heavier or lighter.... so......