(2014?天津)如图,在?ABCD中,点E是边AD的中点,EC交对角线BD于点F,则EF:FC等于( )A.3:2B.3
(2014?天津)如图,在?ABCD中,点E是边AD的中点,EC交对角线BD于点F,则EF:FC等于()A.3:2B.3:1C.1:1D.1:2...
(2014?天津)如图,在?ABCD中,点E是边AD的中点,EC交对角线BD于点F,则EF:FC等于( )A.3:2B.3:1C.1:1D.1:2
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