Divide 3 groups first.
; c. _3 d# [( \i.e. 4 x 4 x 4.
2 X1 w8 Y/ a; ~Weight any 2 groups [1st]
4 ^, Y M6 w( m" Xthen you will know the heavier ball in which group.6 W* K4 V% @' a2 k
Weight any 2 balls in that group [2nd]
# j* t( P3 @6 c# L- V5 _) c/ {, G- ktvb now,tvbnow,bttvbthen you will know the heavier ball in which 2 balls.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。( S1 @, P; e' N- H) J
Repeat again in remainders [3rd]tvb now,tvbnow,bttvb$ ]2 X( D5 v( a& I B. p/ r
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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