Divide 3 groups first.
, h, s/ ^8 K& h* Q9 b9 r公仔箱論壇i.e. 4 x 4 x 4.5.39.217.760 }% ]) [8 ]4 S
Weight any 2 groups [1st]5.39.217.76& `* M, }# E' G& d6 ~8 ?, U5 M4 E
then you will know the heavier ball in which group.
6 u) W R- t, v9 nWeight any 2 balls in that group [2nd]
9 T% o0 ]- \! s9 P; k公仔箱論壇then you will know the heavier ball in which 2 balls.tvb now,tvbnow,bttvb- U- j3 j6 \, I$ `
Repeat again in remainders [3rd]+ W t/ X$ L5 L7 g
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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