Divide 3 groups first.tvb now,tvbnow,bttvb, Y, P1 ?" g( R. U( {. f
i.e. 4 x 4 x 4.
0 L0 P4 }, ]" u7 T5 QWeight any 2 groups [1st]
* j# ?( Q2 ^( N7 r; Rtvb now,tvbnow,bttvbthen you will know the heavier ball in which group.
' u1 O, o7 a' c# U( v* r8 ~7 _% d. t5.39.217.76Weight any 2 balls in that group [2nd]5.39.217.76; l) ~, g5 a" g1 A8 T7 O9 L5 g
then you will know the heavier ball in which 2 balls.
! m* k, {, {2 q7 f4 A o! C5.39.217.76Repeat again in remainders [3rd]
. W" D' P$ C1 _' R9 O公仔箱論壇Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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