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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
7 K% S  M- n- R7 J$ }" }% k7 rwww3.tvboxnow.com共四堆
+ p/ z8 q8 x1 f% `& E( F称两次得出异常的在那一堆,其轻重/ D, b/ R  H  a
在异常的那一堆中在称一次
& @2 |# W& p9 E: H$ V0 x# J# Z8 ?www3.tvboxnow.com就可以找到了
divde the 12 balls into 3 sets of 4.
1 f: y' _3 Y2 ~, n, l' d& _! Qtvb now,tvbnow,bttvbweight any 2 sets.公仔箱論壇. V4 Q  T& U' s5 f
if the 2 sets are equal, then you know the heavy one is in the third" m- h- N2 [2 Y; f+ x# |, j  m; @& `7 _$ N
if one of the 2 is heavier, then the heavy one is in that set
# U* ?  W' I, E6 pthen divide the 4 balls into 2., q2 B% j' Z8 q
weigh them
9 h) T/ `- x$ _0 o* m- nand divide the heavier into 1
- D9 u3 @" p1 R$ e1 d( Pand weight them.tvb now,tvbnow,bttvb& ^/ [/ k3 P; J9 D/ ]( A, p" ]
3 x weighing and get the ans.  公仔箱論壇$ J1 U* G/ F% \, T. _/ I5 J
in less than 15 secs.
1. 6 aside and weight.公仔箱論壇5 ^. X% Z! E2 S. w1 H* g
2. heavier side from (1), 3 aside weight again.
9 z5 p! ?. ~( f8 F6 Vwww3.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.
1 i7 N  w8 d  o5 U+ e" ]" f
" q4 j( X4 F9 aTVBNOW 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。but i have a question. 重量異常 can be heavier or lighter.... so......
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