Divide 3 groups first.6 ~ v5 m; M: K/ T0 M. x' X0 M+ Y% Y9 z9 }
i.e. 4 x 4 x 4.tvb now,tvbnow,bttvb3 v0 k n; J1 H3 V( m% ~% Z
Weight any 2 groups [1st]
- Z X* Q* f# Ftvb now,tvbnow,bttvbthen you will know the heavier ball in which group.公仔箱論壇; u% z$ M2 ~8 }. i' z
Weight any 2 balls in that group [2nd]tvb now,tvbnow,bttvb2 i9 ?+ n) U- B6 G% ^& }: {
then you will know the heavier ball in which 2 balls.
! k0 T6 X6 q0 TRepeat again in remainders [3rd]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。, L7 S" Q F! R) E. o1 h& f
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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