Divide 3 groups first.tvb now,tvbnow,bttvb: T+ o' X' F8 E" q! C' W: I
i.e. 4 x 4 x 4.
$ C: |1 d. _: Ttvb now,tvbnow,bttvbWeight any 2 groups [1st]公仔箱論壇% r$ M" `/ j( y2 j$ S
then you will know the heavier ball in which group.
" G- P% [1 C) Z" z4 G; s) DWeight any 2 balls in that group [2nd]tvboxnow.com3 R+ D6 E7 T k
then you will know the heavier ball in which 2 balls.4 O- X. P4 I; g3 x/ \3 T
Repeat again in remainders [3rd]
( g9 R5 L, E. D' l6 o! Z- H公仔箱論壇Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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