Divide 3 groups first.公仔箱論壇* A2 `. _3 ?/ u# X5 c
i.e. 4 x 4 x 4.
. r' o: ]( d/ z5 @公仔箱論壇Weight any 2 groups [1st]
% F* }) F; z1 Awww2.tvboxnow.comthen you will know the heavier ball in which group.www2.tvboxnow.com. s! r4 b$ W8 u
Weight any 2 balls in that group [2nd]
8 i2 P$ S( m- _( E% ~then you will know the heavier ball in which 2 balls.www2.tvboxnow.com, z4 C1 {" R( ]5 s
Repeat again in remainders [3rd]公仔箱論壇- l5 c6 g7 ~ {3 s; _/ S8 j
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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