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" h4 X& Q  Q% ?5 V
共四堆
' q5 O% P" |9 o! B. |4 M9 w称两次得出异常的在那一堆，其轻重
: f2 e3 V" q  w1 T  b# b* qtvb now,tvbnow,bttvb在异常的那一堆中在称一次
/ T' ^- ?+ a/ Z8 T& g# F就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 公仔箱論壇* P" g" M2 C$ F2 [
weight any 2 sets.
3 j/ w0 m- C) l1 sif the 2 sets are equal, then you know the heavy one is in the third
5 g' ?! ?# e" L公仔箱論壇if one of the 2 is heavier, then the heavy one is in that set
- A6 {% }" ^6 g2 qthen divide the 4 balls into 2.
! a( E( D1 K) \, Y/ n/ ], U! VTVBNOW 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。weigh them
. s1 m! N* X0 [5 b% s/ L6 i5.39.217.77:8898and divide the heavier into 1公仔箱論壇2 f6 `& H$ l2 f; P
and weight them.
5 O! g* d3 }8 X0 l* Y: ^* Y6 ]' @3 x weighing and get the ans.  
7 S; P+ _: ~, D$ ]) A2 Y. n1 Mtvb now,tvbnow,bttvbin less than 15 secs.

kino_kino

1. 6 aside and weight.
/ Z6 x2 A0 M: ^, s3 C5.39.217.77:88982. heavier side from (1), 3 aside weight again.9 D- _% E' d  P6 O. s
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. + C% j" r1 i+ c

; f6 ?& Q4 ?- J% E! O0 z* PTVBNOW 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......