Divide 3 groups first.公仔箱論壇+ w I8 D1 J% u, s" v# R" j
i.e. 4 x 4 x 4.
- ]* F& E; F j6 p3 D3 \8 d, W6 U: Ctvb now,tvbnow,bttvbWeight any 2 groups [1st]5.39.217.77:88981 m/ v3 x3 v0 w% ^0 h; F, m
then you will know the heavier ball in which group.公仔箱論壇" F9 D" o' ^- i' s" g% Z3 @
Weight any 2 balls in that group [2nd]
8 [' E" u; |5 {5.39.217.77:8898then you will know the heavier ball in which 2 balls.( t/ \7 O" _0 K7 O/ f V
Repeat again in remainders [3rd]
9 l6 ~9 y, C4 x5.39.217.77:8898Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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