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由 舜 於 星期三 六月 28, 2006 4:03 pm
#ed_op#DIV#ed_cl#謝謝啦！#ed_op#/DIV#ed_cl#
由 J+W 於 星期三 六月 28, 2006 3:53 pm
#ed_op#DIV#ed_cl##ed_op#A href="http://smg.photobucket.com/albums/v411/tiw/YLL/?"#ed_cl##ed_op#IMG class=pic height=330 alt=YLL-20060628-圖形面積 src="http://img.photobucket.com/albums/v411/tiw/YLL/29237296.gif" width=330#ed_cl##ed_op#/A#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl# #ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#所以，要算的面積#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#＝大正方形－（２個全圓－大正方形）#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#＝１８╳１８－（２╳９╳９╳３.１４－１８╳１８）#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#＝３２４－（５０８.６８－３２４）#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#＝３２４－１８４.６８#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#＝１３９.３２#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl# #ed_op#/DIV#ed_cl#
[數學]請教面積
由 舜子 於 星期三 六月 28, 2006 3:22 pm
#ed_op#DIV#ed_cl#求深色區A+B+C+D之面積多少？圓周率以3.14計算。#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl# #ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#IMG alt="image file name: 2kd15e09a369.jpg" src="http://yll.loxa.edu.tw/phpBB2/richedit/upload/2kd15e09a369.jpg" border=0#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl#