Divide 3 groups first.
# T/ j+ A$ t9 z% e- ~; ~+ p# [i.e. 4 x 4 x 4.tvb now,tvbnow,bttvb- R7 `1 ^/ H4 v9 @- g2 L% \
Weight any 2 groups [1st]www2.tvboxnow.com+ ^% E& D4 e/ W0 x+ ^
then you will know the heavier ball in which group.) m. I0 i; x. d ` k1 W- N7 G5 D
Weight any 2 balls in that group [2nd]
! v! P' c) {! q0 o6 q; mthen you will know the heavier ball in which 2 balls.公仔箱論壇6 x3 A# d' O& |( c# T6 L
Repeat again in remainders [3rd]
# m& @. a+ H+ A0 ?2 ^/ [Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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