Divide 3 groups first.
4 J2 x0 R0 \) ]5.39.217.77:8898i.e. 4 x 4 x 4.8 h8 u' i0 F1 B- P5 l6 v
Weight any 2 groups [1st]
: Q% J# C! f. a1 L" S" m5 Bthen you will know the heavier ball in which group.9 ~1 u& R0 `) N% F6 R$ X& t& M7 x
Weight any 2 balls in that group [2nd]
; { s& R* Q5 Mthen you will know the heavier ball in which 2 balls.0 R( g$ q9 a- h
Repeat again in remainders [3rd]
+ S, \- J. _4 ~ O5 Q, ~公仔箱論壇Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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