Divide 3 groups first.5.39.217.77:88985 l9 b0 [9 U6 i- R# X+ L u
i.e. 4 x 4 x 4.
# c5 ^( ]! J; ]9 x3 a7 f$ ltvb now,tvbnow,bttvbWeight any 2 groups [1st]
2 }7 ^$ S( k8 A: ithen you will know the heavier ball in which group. q$ z' |) n5 g |2 n
Weight any 2 balls in that group [2nd]
, i4 [/ u2 m+ ^then 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。7 u) ^: a/ q2 U. ]+ \( S9 j
Repeat again in remainders [3rd]公仔箱論壇& c# q6 y8 I" W) b4 s7 ~# \, L
Got the heavier ball. |
發表於 2009-7-2 08:37 PM
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