Divide 3 groups first.$ x8 U: S6 A0 y
i.e. 4 x 4 x 4.6 A/ l$ d$ n+ W' X8 n+ K
Weight any 2 groups [1st]
/ I( p# e3 n* n% 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。then you will know the heavier ball in which group.2 d2 F( ?+ b, ^
Weight any 2 balls in that group [2nd]
; G) @' j$ g, ?) {5.39.217.76then you will know the heavier ball in which 2 balls.
/ X- k( o) A& n5 z" k# M- KRepeat again in remainders [3rd]
2 z- P. B/ _! b; J lTVBNOW 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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