Divide 3 groups first.
' Q" y1 l8 c x6 ?' i! Z3 M' B公仔箱論壇i.e. 4 x 4 x 4.
: S% \1 V2 y+ H4 c3 UTVBNOW 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 groups [1st]- ^% e. Q! N& h: }* h
then you will know the heavier ball in which group.公仔箱論壇/ a/ O% A3 M* @
Weight any 2 balls in that group [2nd]
4 F* _: [& {- w, O ]then you will know the heavier ball in which 2 balls./ ?3 X6 x: p$ q
Repeat again in remainders [3rd]9 H7 K/ |) v0 t% E. y" G# I- g
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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