Divide 3 groups first.tvb now,tvbnow,bttvb6 X) g* \: o6 l4 A" F
i.e. 4 x 4 x 4.
5 f9 z8 k q. RWeight any 2 groups [1st]: ?0 K1 L! P' i) O( v8 {" f
then you will know the heavier ball in which group.
+ Y. |& w* g* Etvboxnow.comWeight any 2 balls in that group [2nd]tvb now,tvbnow,bttvb0 @/ x" S+ Q0 G. A4 j
then you will know the heavier ball in which 2 balls.tvboxnow.com |$ T: L; g2 O" M' L
Repeat again in remainders [3rd]tvb now,tvbnow,bttvb# B1 K! {. t& K9 g4 K P" \3 y
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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