Divide 3 groups first.
- j5 A; E4 d, [7 w7 z! V3 Yi.e. 4 x 4 x 4.公仔箱論壇, ]) ~; U u$ J& J: ` o
Weight any 2 groups [1st]公仔箱論壇( I( p5 s0 Q, u% s9 |5 H% I4 z$ C
then you will know the heavier ball in which group.公仔箱論壇2 P$ A; G( M2 I+ a% w6 U
Weight any 2 balls in that group [2nd]6 e, V3 L4 K' v
then you will know the heavier ball in which 2 balls.
! W0 q9 D* b' X1 w1 r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。2 G: N8 c. t+ i) Z2 p/ `3 n
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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