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. r- W  H9 H. l
共四堆
# S9 B% {6 H3 e5 w9 k& s称两次得出异常的在那一堆，其轻重
) r  d. E2 K* b7 E8 {8 \; ~+ DTVBNOW 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tvb now,tvbnow,bttvb* P2 u: l4 N; H. {* ?
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 7 o5 S$ K9 e% |4 ]+ J7 d3 C; z
weight any 2 sets.
1 B# R5 C2 S9 h1 k+ l- D) a5.39.217.76if the 2 sets are equal, then you know the heavy one is in the thirdtvb now,tvbnow,bttvb1 i0 X& `+ N5 h6 W
if one of the 2 is heavier, then the heavy one is in that set
! T$ I9 K- R+ g7 _6 r; y3 ktvb now,tvbnow,bttvbthen divide the 4 balls into 2.2 M: K( S. z9 [
weigh them5.39.217.76/ Z8 C( N9 Q4 V/ ]3 P* L
and divide the heavier into 15 r7 i" m& Q0 \3 ^, O; ^
and weight them.tvb now,tvbnow,bttvb4 W7 q0 r  A0 z; A
3 x weighing and get the ans.  
) \& v  m5 R, j' zin less than 15 secs.

kino_kino

1. 6 aside and weight.
+ |* a8 N+ y9 M- R1 x7 @- \* K公仔箱論壇2. heavier side from (1), 3 aside weight again.公仔箱論壇0 |) D2 V/ d- Y( N1 F1 p
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.
' [. t: ]( @' X% C, t6 l) ^
" ]7 Z2 M( @; T8 P! ~tvb now,tvbnow,bttvbbut i have a question. 重量異常 can be heavier or lighter.... so......