brother, you are too careless,they should be:

jinjing · 2010-08-26 16:00:09Z

brother, you are too careless,they should be:简介

来源: jinjing 于 2010-08-26 16:00:09 [档案] [旧帖] [给我悄悄话] 阅读数 : (148 bytes)

which is bigger,y or (xd)^2. If the room is rectangle floor
...............y or x^2*z^2*d^2,If room is circle floor...It is interesting question.

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• I am totally wrong -jinjing- ♀ (0 bytes) () 08/26/2010 postreply 17:10:58