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+ Y- T, |0 k2 O6 X% h$ r. I- N
共四堆os.tvboxnow.com1 z. p' s7 t% [8 H
称两次得出异常的在那一堆，其轻重
0 q, i0 o1 P1 f3 y2 d( Cos.tvboxnow.com在异常的那一堆中在称一次
8 K/ @/ L) m# l. g就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb, Y0 I: f0 t- k- _8 w; p& z
weight any 2 sets./ X' F, M' a, M) X
if the 2 sets are equal, then you know the heavy one is in the third
' o9 {# C1 s3 [; p公仔箱論壇if one of the 2 is heavier, then the heavy one is in that set
! f2 J+ R' k8 k( L$ p9 [& ]* dthen divide the 4 balls into 2.公仔箱論壇; {) p: |- \* Z( {2 O. Q1 Y1 e
weigh themtvb now,tvbnow,bttvb2 P! L9 W# l9 R! |2 s
and divide the heavier into 1
9 h# o! J( L7 N2 l& O5 zand weight them.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。: R" ]: c3 L. |: M, M$ G
3 x weighing and get the ans.  5 [6 i  @6 K+ Q( I  y
in less than 15 secs.

kino_kino

1. 6 aside and weight.公仔箱論壇& r! e! }0 T6 O) x( w
2. heavier side from (1), 3 aside weight again.
% b! ?( L8 b2 A% {$ @& U9 ros.tvboxnow.com3. 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.
8 q" [; x# C! t0 r7 ~公仔箱論壇6 q' f# u" C. S2 ^* k
but i have a question. 重量異常 can be heavier or lighter.... so......