如图所示,已知点E、F在BC上,AB=DC,BF=CE. (1)若AE=DF,求证:CD∥AB (2
如图所示,已知点E、F在BC上,AB=DC,BF=CE.(1)若AE=DF,求证:CD∥AB(2)若CD∥AB,求证:AE∥DF...
如图所示,已知点E、F在BC上,AB=DC,BF=CE.
(1)若AE=DF,求证:CD∥AB
(2)若CD∥AB,求证:AE∥DF 展开
(1)若AE=DF,求证:CD∥AB
(2)若CD∥AB,求证:AE∥DF 展开
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