發表回覆

主題 通關密語 訪客發文, 請參考 這裡 輸入通關密語.

顯示表情符號

站內上傳圖檔     Upload.cc免費圖片上傳

數學塗鴉工具     常用數學符號表    

用Latex打數學方程式

 


 

+ / -檢視主題

[數學]幾何題..(75)

發表 picar 於 星期六 十一月 04, 2006 4:50 pm

#ed_op#DIV#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#1. #ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#因為#ed_op#SPAN lang=EN-US#ed_cl#△#ed_op#/SPAN#ed_cl##ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#ABC#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#為正三角形,所以#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#AB#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#AC#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#,角#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#C#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=角#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#BAC#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#60#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#度#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl##ed_op#?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/SPAN#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#2. #ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#因為#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#D#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#、、#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#E#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#、#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#G#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#、#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#C#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#四點共圓,#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl##ed_op#BR#ed_cl##ed_op#SPAN style="mso-spacerun: yes"#ed_cl# #ed_op#/SPAN#ed_cl##ed_op#SPAN style="mso-spacerun: yes"#ed_cl# #ed_op#/SPAN#ed_cl##ed_op#SPAN style="mso-spacerun: yes"#ed_cl# #ed_op#/SPAN#ed_cl##ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#所以角#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#C#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=角#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#BEF#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#60#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#度、角#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#ADE#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=角#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#AGC(#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#因為圓內接四邊形外角等於內對角的度數#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#)#ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/SPAN#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#3. #ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#因為#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#BF#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#垂直#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#AG#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#,所以#ed_op#SPAN lang=EN-US#ed_cl#△#ed_op#/SPAN#ed_cl##ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#BEF#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#為#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#30-60-90#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#的直角三角形#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl##ed_op#BR#ed_cl##ed_op#SPAN style="mso-spacerun: yes"#ed_cl# #ed_op#/SPAN#ed_cl##ed_op#SPAN style="mso-spacerun: yes"#ed_cl# #ed_op#/SPAN#ed_cl##ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#因為#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#EF#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#5#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#,所以#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#BE#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#10#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#,又因為#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#DE#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#1#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#,所以#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#BD#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#11#ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/SPAN#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#4. #ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#在#ed_op#SPAN lang=EN-US#ed_cl#△#ed_op#/SPAN#ed_cl##ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#ABD#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#與#ed_op#SPAN lang=EN-US#ed_cl#△#ed_op#/SPAN#ed_cl##ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#ACG#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#中#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl##ed_op#BR#ed_cl##ed_op#SPAN style="mso-spacerun: yes"#ed_cl# #ed_op#/SPAN#ed_cl##ed_op#SPAN style="mso-spacerun: yes"#ed_cl# #ed_op#/SPAN#ed_cl##ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#因為#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#AB#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#AC#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#,角#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#ADE#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=角#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#AGC#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#,角#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#C#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=角#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#BAC#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#60#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#度#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl##ed_op#BR#ed_cl##ed_op#SPAN style="mso-spacerun: yes"#ed_cl# #ed_op#/SPAN#ed_cl##ed_op#SPAN style="mso-spacerun: yes"#ed_cl# #ed_op#/SPAN#ed_cl##ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#所以#ed_op#SPAN lang=EN-US#ed_cl#△#ed_op#/SPAN#ed_cl##ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#ABD#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#全等於#ed_op#SPAN lang=EN-US#ed_cl#△#ed_op#/SPAN#ed_cl##ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#ACG(AAS)#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#,所以#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#AG#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#BD#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#=#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl#11#ed_op#/SPAN#ed_cl##ed_op#SPAN style="FONT-FAMILY: 標楷體; mso-ascii-font-family: 'Times New Roman'"#ed_cl#。#ed_op#/SPAN#ed_cl##ed_op#SPAN lang=EN-US style="mso-fareast-font-family: 標楷體"#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/SPAN#ed_cl##ed_op#/P#ed_cl##ed_op#/DIV#ed_cl#

[數學]幾何題..(75)

發表 ☆ ~ 幻 星 ~ ☆ 於 星期六 十一月 04, 2006 4:16 pm

左鍵: 點擊縮放; 右鍵: 觀看原圖