Divide 3 groups first.
( F! V6 ^( i- X( I" K' Atvb now,tvbnow,bttvbi.e. 4 x 4 x 4.
! a% \ {$ h2 c8 N2 K5 M8 BWeight any 2 groups [1st]
$ u8 | K' K3 Q% B9 _7 _) y5.39.217.76then you will know the heavier ball in which group.公仔箱論壇! J0 _$ l; y# Q/ o
Weight any 2 balls in that group [2nd]; Z0 V2 o! X( Y+ w$ ~: K( K
then you will know the heavier ball in which 2 balls.
8 `; ~0 b; t9 `' ]+ s* W) s8 fTVBNOW 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。Repeat again in remainders [3rd]
% T' [) T2 J# r5 m; U) `Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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