Mathematics
Junior High
Resolved
國三數學
求詳解
9
孟氏定理
演練 2
如右圖,ADEF中,O點
D
為內部任意一點,連接
H
VE
D、E、FO分別交EF、
FD、DE於G、H、I三
F
2
點,已知EG=FG,DH-
·
DF,則
2
5
DI : IE= ?
解
EO
-
FG.DH=D
9
少
Answers
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