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( I* G3 @2 q+ M8 P8 i
共四堆5.39.217.763 |7 ?4 _. j: ~" p, ~( h% j
称两次得出异常的在那一堆，其轻重
& p0 m- A8 W5 P: N+ M- v  E# r* h在异常的那一堆中在称一次
* C2 ~1 ~& q" ?* X" `) V" S就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 公仔箱論壇2 j( P& {1 j1 ~* L% \1 F/ \! s
weight any 2 sets.5.39.217.76/ K% {- d2 S2 |- b& G/ S, y
if the 2 sets are equal, then you know the heavy one is in the third) \6 V6 [9 T& a# |$ m& m8 Y
if one of the 2 is heavier, then the heavy one is in that set
( A# I' Y1 W0 L( z' \" W& U/ w0 M公仔箱論壇then divide the 4 balls into 2.公仔箱論壇8 f/ e3 m% t/ h9 s% U
weigh them公仔箱論壇& x% ?  }: d+ _# n# {# }
and divide the heavier into 1
" u! |# S6 Y9 B; n& `5.39.217.76and weight them.
" B" N% R% S0 O公仔箱論壇3 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。& E9 Z* }* p: W9 R* k; B' N
in less than 15 secs.

kino_kino

1. 6 aside and weight.
6 A- ?3 S: j* q* j5 w) Y; c公仔箱論壇2. heavier side from (1), 3 aside weight again.
' [6 P6 \0 J  C* _; g2 _$ j% f1 z& T5.39.217.763. 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. 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。% G- |4 e. c) \1 P4 [
8 k. x1 M' Y1 c& w; N; X
but i have a question. 重量異常 can be heavier or lighter.... so......