Divide 3 groups first.
% u* I# W7 v' N) v5 L# ti.e. 4 x 4 x 4.
" @" \# T/ a, H/ _tvb now,tvbnow,bttvbWeight any 2 groups [1st]tvb now,tvbnow,bttvb3 w% @9 Q3 P9 T( c# X) {
then you will know the heavier ball in which group.
. p7 R$ q0 V$ S( Wtvb now,tvbnow,bttvbWeight any 2 balls in that group [2nd]
+ c1 W, `3 s& Mtvb now,tvbnow,bttvbthen you will know the heavier ball in which 2 balls.' {7 q3 Y3 ?6 b+ `% z
Repeat again in remainders [3rd]公仔箱論壇, y X" f8 q* u8 _5 j$ m
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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