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tvb now,tvbnow,bttvb( C+ k  l- l- q2 n0 S
共四堆
- c! f4 J6 j  d3 R: l  n" N称两次得出异常的在那一堆，其轻重
$ y( u+ x  y4 N# G8 bTVBNOW 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
  Q& u' I4 O. n/ Z& r8 X5.39.217.76就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 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。0 Z  ~/ q. [1 J; k5 E3 @$ M( l6 w
weight any 2 sets.
) [: m1 c5 t* h8 c6 Htvb now,tvbnow,bttvbif the 2 sets are equal, then you know the heavy one is in the third
/ _" o! ]: C4 ?if one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb- u- }( ~# {/ C  w
then divide the 4 balls into 2.5 F3 B- m( X* U0 W+ Q
weigh them
9 M- r. Y; c# N+ ^5.39.217.76and divide the heavier into 1
9 f4 p1 {5 j+ n# r4 u3 n5.39.217.76and weight them.
2 `0 v- p: Y) L3 D8 I3 x weighing and get the ans.  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 L2 z8 s( `4 S( W. e! `. y
in less than 15 secs.

kino_kino

1. 6 aside and weight.
8 R& I  a8 _7 W9 }& q5.39.217.762. heavier side from (1), 3 aside weight again.
* ?: q$ d1 ^& x7 ?5.39.217.763. 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.
" s0 e( z) w5 u; Y. n$ C$ {, x6 F公仔箱論壇* {+ v( J# }1 \9 ]
but i have a question. 重量異常 can be heavier or lighter.... so......