Divide 3 groups first.tvb now,tvbnow,bttvb$ E( ]" [( S6 T% N" Z7 L
i.e. 4 x 4 x 4." r. |% _$ \: u% i
Weight any 2 groups [1st]5.39.217.77:8898: i# O+ E5 u+ t9 i( ]
then you will know the heavier ball in which group.% g% v& |" w! A0 B1 F6 a5 n" j
Weight any 2 balls in that group [2nd]公仔箱論壇0 X3 T- i6 ^1 u$ B3 n8 G
then you will know the heavier ball in which 2 balls.
# @$ a! c* M/ v {0 G9 M3 a0 yTVBNOW 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。Repeat again in remainders [3rd]tvb now,tvbnow,bttvb8 J2 a' ]& {- G& ?0 `# z8 ^
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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