Divide 3 groups first.
- P [- l3 k- b8 d+ Y) b5.39.217.76i.e. 4 x 4 x 4.9 @# n7 U+ o. o+ v/ m4 A$ b
Weight any 2 groups [1st]
: Z- o! x/ t; Z3 J2 Rthen you will know the heavier ball in which group.
3 M6 L/ _( D* HWeight any 2 balls in that group [2nd]
, k8 q1 O4 y+ j2 ztvb now,tvbnow,bttvbthen you will know the heavier ball in which 2 balls.
# U* {% a# |; U8 n& j% o: VRepeat 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 M* v3 p5 z: O# ]( a* {& r
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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