Divide 3 groups first.
! _ ^+ e. w! J+ I公仔箱論壇i.e. 4 x 4 x 4.
9 m& D" \* j9 }1 Y j& l. KWeight any 2 groups [1st]
- J6 b' W) D% L6 R. ]5.39.217.77:8898then you will know the heavier ball in which group.公仔箱論壇5 V: F/ i7 Y9 m2 q" D$ x+ ~
Weight any 2 balls in that group [2nd]
* s6 T9 \# R1 }& s2 t$ M" c9 @tvb now,tvbnow,bttvbthen you will know the heavier ball in which 2 balls.
1 t+ a( i# G' v) g# N/ m3 W9 O7 Dtvb now,tvbnow,bttvbRepeat again in remainders [3rd]
1 v9 l3 ^. A/ l* FGot the heavier ball. |
發表於 2009-7-2 12:48 PM
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