Divide 3 groups first.公仔箱論壇- o; j; T3 z; o. J) \0 @" X) k
i.e. 4 x 4 x 4.
9 F+ \6 i U. R# i! n2 O' q8 m9 Otvb now,tvbnow,bttvbWeight any 2 groups [1st]
: d2 {# H6 l4 u2 R8 B" [. Atvb now,tvbnow,bttvbthen you will know the heavier ball in which group.
7 @" w v$ `" b7 ?! rWeight any 2 balls in that group [2nd]tvb now,tvbnow,bttvb8 A' }: F& h e+ L
then you will know the heavier ball in which 2 balls.
# L% Q, z; H! u. h5 `# [" |- [, itvb now,tvbnow,bttvbRepeat again in remainders [3rd]
$ ]; X, N- a0 g' b, H1 f) K公仔箱論壇Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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