Divide 3 groups first.5.39.217.766 s/ ] B& f/ o0 S- D3 I' [
i.e. 4 x 4 x 4.2 k3 b. @* N+ j
Weight any 2 groups [1st]公仔箱論壇/ I" w9 y) k& Z
then you will know the heavier ball in which group.5.39.217.76. e* e/ t1 u. {) V9 w$ L
Weight any 2 balls in that group [2nd]
6 V o- s4 [9 ?/ q2 o0 d公仔箱論壇then you will know the heavier ball in which 2 balls.5.39.217.766 @7 t3 C3 W. Q# E$ u/ S
Repeat again in remainders [3rd]
! \& _7 M8 G4 v+ o; itvb now,tvbnow,bttvbGot the heavier ball. |
發表於 2009-7-2 12:48 PM
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