ab=dc,df=be,af=ce 求证△abe≌△cDF D0∥AB
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ab=dc,df=be,af=ce 求证△abe≌△cDF D0∥AB
AB=CD,BE=DF,AF=CE求证BE‖DF
AB=CD,DF垂直AC,BE垂直AC,DF=BE.求证:AF=CE
AB=CD,AF=CE,BE⊥AC,DF⊥AC,求证BE=DF
AB=DC,DF=BE,AF=CE,求证:(1)△ABE≌CDF;(2)DC∥AB.
已知:如图,AB=DC,AE=DF,CE=FB,求证:AF=DE
已知如图AB=DC,AE=DF,CE=FB求证AF=DE
如图,已知AB=DC AE=DF .CE=BF 求证:AF=DE
AB=DC.AE=DF.CE=BF.求证:AF=DE.
如图,已知AB=DC,AE=DF,CE=FB,求证AF=DE
如图,已知AB=DC,AE=DF,CE=FB,求证:AF=DE
如图,已知AB=DC,AE=DF,CE=BF,求证:AF=DE
AB=DC,AE=DF,CE=FB,求证AF=DE行了
AB=DC,AE=DF,CE=FB,求证AF=DE
AB‖DC,BC‖DF,CE垂直平分AF,求证AD=BC
已知AB=CD,BE=DF,AF=CE 求证:△ABE≌△CDF
如图,AB=DC,BE=CF,AF=DE.求证,BF=CE
如图所示:BA⊥AC,DC⊥AC,AF=CE,BE=DF.求证;△ABE全等于△CDF,BE∥DF