[問題]幾何題64
由 tangpakchiu 於 星期三 十一月 07, 2007 4:55 pm
#ed_op#DIV#ed_cl##ed_op#IMG alt="image file name: 2k695a48f033.gif" src="http://yll.loxa.edu.tw/phpBB2/richedit/upload/2k695a48f033.gif" border=0#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#AQ,CP,BR為三角形ABC的外接圓的切線,分別與BC,AB,AC相交,求證P,R,Q三點共線。#ed_op#/DIV#ed_cl#