problem is: point D cannot be inside ABC if ABC is not equal-sided.
所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl
送交者: chouqilozi 于 2005-4-28, 10:01:31:
回答: 呵呵,请参考这个证明。 由 wasguru 于 2005-4-27, 16:36:50:
So the figure is wrong.
所有跟贴:
加跟贴
所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl