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
" A! F; J+ C& e' y) T; Y7 J8 F共四堆tvb now,tvbnow,bttvb, H* o# j) _9 F7 _; G
称两次得出异常的在那一堆，其轻重tvb now,tvbnow,bttvb6 K6 P" I) H0 \* \& ]! f8 u  |
在异常的那一堆中在称一次公仔箱論壇# N& ]! l! g& o2 R
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
# W  m. _9 t2 e- C& P8 _5.39.217.77:8898weight any 2 sets.公仔箱論壇. Y4 Y6 h, F8 M$ M- }3 H6 `$ p8 l
if the 2 sets are equal, then you know the heavy one is in the third
9 r8 `8 |( A# N0 @2 ctvb now,tvbnow,bttvbif one of the 2 is heavier, then the heavy one is in that set
0 i7 ?- x- s4 etvb now,tvbnow,bttvbthen divide the 4 balls into 2.公仔箱論壇  f! A, |7 N- G
weigh them' A3 N0 j( T& E$ N$ R
and divide the heavier into 15.39.217.77:8898$ Z. B( b" T1 `* _6 v
and weight them.
1 x8 O- E$ u7 \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。3 x weighing and get the ans.  $ c8 W6 V8 `6 Q0 Q. i) j( @: [. T9 k, n
in less than 15 secs.

kino_kino

1. 6 aside and weight.
2 o) _$ L! Z  g. ?, I2. heavier side from (1), 3 aside weight again.
, T# R" x: `; ?& qtvb now,tvbnow,bttvb3. 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.
) N, H; \' W. f: n  G) itvb now,tvbnow,bttvbtvb now,tvbnow,bttvb3 X# e* |# H5 N4 {5 z: ]0 |- ~
but i have a question. 重量異常 can be heavier or lighter.... so......