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。  @( q9 r* n6 t: V1 J
共四堆
8 e" F& Y9 W7 ~' ftvb now,tvbnow,bttvb称两次得出异常的在那一堆，其轻重
+ N3 O" Y( G' ~' g* I在异常的那一堆中在称一次
- o" A% x$ k5 |. {# a7 ztvb now,tvbnow,bttvb就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
& j# f- u& C( [tvb now,tvbnow,bttvbweight any 2 sets.公仔箱論壇9 T, p2 M+ y7 U
if the 2 sets are equal, then you know the heavy one is in the third( {& N, `2 t0 v* E" h. p
if one of the 2 is heavier, then the heavy one is in that set5.39.217.769 M2 _( P/ [2 U; B7 Q
then divide the 4 balls into 2.( v7 w7 v' g% f: m1 |
weigh them5.39.217.76" R2 G' h7 G8 }# y8 s/ q' B
and divide the heavier into 15.39.217.76+ z/ y5 p8 g( e. F) J2 M8 k
and 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。. V1 r  x7 H( t8 n
3 x weighing and get the ans.  
5 X' u$ \9 _6 X2 Oin less than 15 secs.

kino_kino

1. 6 aside and weight.# o! C$ r# U* w- s; {: w: Y
2. heavier side from (1), 3 aside weight again., i4 {: d6 n- i2 H. q/ k8 {
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.
3 ]& q% F9 n3 }; H/ X
" }  J" b7 i0 Q9 e( Ubut i have a question. 重量異常 can be heavier or lighter.... so......