Divide 3 groups first.公仔箱論壇$ [8 k3 `4 I; w/ L
i.e. 4 x 4 x 4.$ E4 Q% ~( ~( s% B' o6 A
Weight any 2 groups [1st]公仔箱論壇6 {. V1 P/ ?/ t" ?# M4 A
then you will know the heavier ball in which group.
3 |- }9 l: S+ O) _2 y- S5.39.217.77:8898Weight any 2 balls in that group [2nd]公仔箱論壇& c1 y8 f2 G/ v9 `5 J3 n
then you will know the heavier ball in which 2 balls.
! H. J& u+ K, Y' J8 T- C* N公仔箱論壇Repeat 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。' F7 Q6 x1 w. j3 ^8 i7 W
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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