[問題]幾何題20
由 tangpakchiu 於 星期三 七月 26, 2006 7:36 pm
#ed_op#DIV#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto"#ed_cl##ed_op#SPAN style="FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl##ed_op#IMG alt="image file name: 2k15a347763b.gif" src="http://yll.loxa.edu.tw/phpBB2/richedit/upload/2k15a347763b.gif" border=0#ed_cl##ed_op#/SPAN#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto"#ed_cl##ed_op#SPAN style="FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#☉#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="FONT-FAMILY: 新細明體; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#O1#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#與☉#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="FONT-FAMILY: 新細明體; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#O2#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#交於#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="FONT-FAMILY: 新細明體; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#A#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#和#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="FONT-FAMILY: 新細明體; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#B#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#兩點,直線#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="FONT-FAMILY: 新細明體; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#CD#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#過#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="FONT-FAMILY: 新細明體; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#A#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#點,分別交兩圓於#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="FONT-FAMILY: 新細明體; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#C#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#,#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="FONT-FAMILY: 新細明體; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#D,#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#求證:∠#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="FONT-FAMILY: 新細明體; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#CBO1#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="FONT-FAMILY: 新細明體; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#∠#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="FONT-FAMILY: 新細明體; mso-bidi-font-family: 新細明體; mso-font-kerning: 0pt"#ed_cl#DBO2。#ed_op#/SPAN#ed_cl##ed_op#/P#ed_cl##ed_op#/DIV#ed_cl#