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/ d/ O4 d& k# n- a
共四堆9 t6 m1 n( I- i
称两次得出异常的在那一堆，其轻重公仔箱論壇  ?7 f. w2 T# E
在异常的那一堆中在称一次
# V: }" Y$ M3 J" S2 G4 ^* A7 W公仔箱論壇就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
! R2 D' H+ @9 A/ b& h  D/ lTVBNOW 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。weight any 2 sets.
' {6 B. y2 @3 m) r! Aif the 2 sets are equal, then you know the heavy one is in the third: E1 u4 @, g$ o7 |( y
if one of the 2 is heavier, then the heavy one is in that set
! l7 a; J0 P% d, E5.39.217.76then divide the 4 balls into 2.
' G0 f8 Q* l. h% h. Eweigh them
" B5 n% C7 Q$ Sand divide the heavier into 1tvb now,tvbnow,bttvb' o6 g0 w" D% m6 e& e3 ^% B6 \
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。  y; |6 d) n# r1 P
3 x weighing and get the ans.  
1 [& S8 f' i) \+ c( kin less than 15 secs.

kino_kino

1. 6 aside and weight.# a$ O) _- p: }9 m/ A
2. heavier side from (1), 3 aside weight again.公仔箱論壇* Q7 B/ H) E; Q$ y" o! u
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. 公仔箱論壇; Y$ A( D0 A0 r$ w. q
公仔箱論壇4 n3 m% }2 }$ @
but i have a question. 重量異常 can be heavier or lighter.... so......