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答案!!!!!!!!!答案!!!!!!!!!!!答案!!!!!!!!!!!!!1
^:)^ >:D<
thx
let cc
not possible
不知道要怎麼做阿??
hao

the model answer is stupid

there got more simple way to do it, just read my way, the one i answered before
the
see 了
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
how?
先分3个一堆tvb now,tvbnow,bttvb/ G: O* h" T  L+ h
共四堆www3.tvboxnow.com2 B* Q3 i/ H3 T5 @/ v: H+ |2 _1 B& v
称两次得出异常的在那一堆,其轻重
/ V- A* ^' O3 O9 q; [( e公仔箱論壇在异常的那一堆中在称一次公仔箱論壇6 j  I$ A3 x- g1 b1 W3 r
就可以找到了
divde the 12 balls into 3 sets of 4.
( N% X% m* w0 w; l9 G7 e9 O! \weight any 2 sets.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。2 k3 g0 j- j) H8 T; x
if the 2 sets are equal, then you know the heavy one is in the third
; N3 Z3 C, S' T- ~) J( g% H# S# \if one of the 2 is heavier, then the heavy one is in that set公仔箱論壇8 w$ K: v' Y7 ]9 Y+ u2 z2 v# t. T
then divide the 4 balls into 2.0 v, z+ G. K' N# e! K4 Y
weigh them
" w  w5 y- A6 F* X+ t2 ctvb now,tvbnow,bttvband divide the heavier into 1公仔箱論壇, r: Q( w, n8 {: ~1 M: E) e4 r0 {4 D* [
and weight them.
; a& x3 s5 I. [; c! @8 T$ J$ u# z3 x weighing and get the ans.  6 y! V- G0 e1 \( ~* s
in less than 15 secs.
1. 6 aside and weight.  h* S& A7 ^5 N- H* F- A2 \* K
2. heavier side from (1), 3 aside weight again.www3.tvboxnow.com4 [/ X( m- q) U! q$ Q
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.
5 Z) |% C+ U! a4 d5 a* Y' O% M6 Itvb now,tvbnow,bttvb& _5 U/ c- e# i1 {; \$ S
but i have a question. 重量異常 can be heavier or lighter.... so......
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