已知EF:FG和FG:GH如何求EF:FG:GH?EF:FG=1:3FG:GH=9:8EF:FG:GH=?::
问题描述:
已知EF:FG和FG:GH如何求EF:FG:GH?
EF:FG=1:3
FG:GH=9:8
EF:FG:GH=?::
答
设FG=9a,那么EF=3a,GH=8a
所以EF:FG:GH=3a:9a:8a=3:9:8
答
设FG=9a,那么EF=3a,GH=8a
所以EF:FG:GH=3a:9a:8a=3:9:8