一道华杯赛奥数难题下图中,ABCD是梯形,面积是1.已知DF:FC=3:4,AE:EB=1:5,DC:AB=c:d.问四边形EHFG的面积是多少?
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/08 07:34:57
![一道华杯赛奥数难题下图中,ABCD是梯形,面积是1.已知DF:FC=3:4,AE:EB=1:5,DC:AB=c:d.问四边形EHFG的面积是多少?](/uploads/image/z/8533417-49-7.jpg?t=%E4%B8%80%E9%81%93%E5%8D%8E%E6%9D%AF%E8%B5%9B%E5%A5%A5%E6%95%B0%E9%9A%BE%E9%A2%98%E4%B8%8B%E5%9B%BE%E4%B8%AD%2CABCD%E6%98%AF%E6%A2%AF%E5%BD%A2%2C%E9%9D%A2%E7%A7%AF%E6%98%AF1.%E5%B7%B2%E7%9F%A5DF%3AFC%3D3%EF%BC%9A4%2CAE%3AEB%3D1%3A5%2CDC%3AAB%3Dc%3Ad.%E9%97%AE%E5%9B%9B%E8%BE%B9%E5%BD%A2EHFG%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%98%AF%E5%A4%9A%E5%B0%91%3F)
xݕnSG_%]̬9Zv۷-JJ
TPJ@1)jDT ACL^;+tL!"SwKUUjY{r}YnoO^6~u>6{3s{~߶f{v,z>x\Z^iw-+fJs[rlN_/}`OJW,U|ݱŕ)n4*ӵ//xzqVkkRWj^]][mdF̮^̿֜^Ϳ^E K *8yRP.xB s!pBycy$2NP6bX$bR+g{QY\y}2NIG ʃDHZW1c2NØNd9A0L@2 29e,]RP31U :d= ͭ@HpQ.`HHsP)&Ldq4rR"i%\Au}ɵai?xr5<d1(.@ -z