Divide 3 groups first./ A, v9 T" q( C2 v' E
i.e. 4 x 4 x 4.公仔箱論壇5 V1 I7 B' o9 v( E8 v5 `8 w r/ K
Weight any 2 groups [1st]8 B. X: v% c5 }( y2 O6 z3 U1 Z
then you will know the heavier ball in which group.tvb now,tvbnow,bttvb5 A" T; ~0 D) U, ~" q4 _
Weight any 2 balls in that group [2nd]
+ z# j/ @; J8 Q$ m+ Gos.tvboxnow.comthen you will know the heavier ball in which 2 balls.tvb now,tvbnow,bttvb9 I7 J7 `% w3 U& L
Repeat again in remainders [3rd]tvb now,tvbnow,bttvb5 Z/ [/ ?) R J' x2 k9 b
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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