Divide 3 groups first.5.39.217.77:8898+ z4 }6 _4 Z9 Y/ Z' h
i.e. 4 x 4 x 4.5.39.217.77:8898' O) Z, K; \2 V2 L( \
Weight any 2 groups [1st]公仔箱論壇3 I6 s6 }7 Y$ C0 C j
then you will know the heavier ball in which group.
( Q2 F3 g( m& J6 ^8 \tvb now,tvbnow,bttvbWeight any 2 balls in that group [2nd], {: _ a6 k+ { O. D
then you will know the heavier ball in which 2 balls.) e+ r8 ]* i& ?8 S `8 |$ }, P" f/ E" g
Repeat again in remainders [3rd]
7 ?4 E9 P( T3 e5.39.217.77:8898Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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