Divide 3 groups first.- w2 ]' n. t# v3 V# D
i.e. 4 x 4 x 4.
) o$ t O- s/ Z3 vWeight any 2 groups [1st]5.39.217.77) w$ |. Q$ K2 C: Y8 ~( ]
then you will know the heavier ball in which group.
8 W( I' X F; P: S, ITVBNOW 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。Weight any 2 balls in that group [2nd]2 I; l6 l1 P3 y" v' F
then you will know the heavier ball in which 2 balls.; q7 k* ?9 S& P2 Q0 q5 ?
Repeat again in remainders [3rd]
& u; P: O. {5 MTVBNOW 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。Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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