http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=7925037&tstart=0#7925037 such long time. I have some questions about this problem. If possible,]]> Nov 18, 2012 10:02:34 AM Nov 18, 2012 10:02:34 AM jszhao@yeah.net 0 http://mathforum.org/kb/thread.jspa?messageID=7870165&tstart=0#7870165 <rich.ulrich@comcast.net> wrote:

[snip, a bunch]
Aug 17, 2012 9:39:18 PM Aug 17, 2012 9:39:18 PM Rich.Ulrich@comcast.net 1 http://mathforum.org/kb/thread.jspa?messageID=7870166&tstart=0#7870166 ]]> Aug 17, 2012 9:39:17 PM Aug 17, 2012 9:39:17 PM 2 http://mathforum.org/kb/thread.jspa?messageID=7870167&tstart=0#7870167 ]]> Aug 17, 2012 9:39:17 PM Aug 17, 2012 9:39:17 PM 3