Divide 3 groups first.
0 w6 v% }- M* q0 I! }www3.tvboxnow.comi.e. 4 x 4 x 4.www3.tvboxnow.com0 x. j' `- _, m4 d9 B& t) a
Weight any 2 groups [1st]
5 N5 X5 [* w x3 ?then you will know the heavier ball in which group.www3.tvboxnow.com/ ?$ L- f0 B5 a7 X& d, s
Weight any 2 balls in that group [2nd], ~6 n, r% h, N: X
then you will know the heavier ball in which 2 balls.. g: j& u: Y; V6 L X0 ]
Repeat again in remainders [3rd]
' R5 D2 Z# v. F! O# M7 ~+ `www3.tvboxnow.comGot the heavier ball. |
發表於 2009-7-2 12:48 PM
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