作业帮如图,已知AB=DC AE=DF .CE=BF 求证:AF=DE
如图,已知AB=DC AE=DF .CE=BF 求证:AF=DE
如图,已知AB=DC,AE=DF,CE=BF,求证：AF=DE
如图 已知AB=CD,AE=DF,CE=BF.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=FB,求证AF=DE
已知:如图,AB=DC,AE=DF,CE=FB,求证:AF=DE
如图,AB=DC,AE=DF,CE=BF,试说明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.
已知:如图,AD=CD CE=BF DF=AE 求证AB‖DC
如图,己知AB//DC,且AB=CD,BF=DE,求证：AE//CF,AF//CE.
如图,已知E,F在线段BC上,AB=DC,AE=DF,BF=CE.求证1）∠B=∠C 2）AF//DE