如图四,已知角B=角C,AB=DE,要推得三角形ABC约等于三角形EDC (1)若以SAS为依据,缺条件_________ (2)若以AS如图四,已知角B=角C,AB=DE,要推得三角形ABC约等于三角形EDC(1)若以SAS为依据,缺条件_________(2)若以

如图四,已知角B=角C,AB=DE,要推得三角形ABC约等于三角形EDC (1)若以SAS为依据,缺条件_________ (2)若以AS如图四,已知角B=角C,AB=DE,要推得三角形ABC约等于三角形EDC(1)若以SAS为依据,缺条件_________(2)若以
如图四,已知角B=角C,AB=DE,要推得三角形ABC约等于三角形EDC (1)若以SAS为依据,缺条件_________ (2)若以AS
如图四,已知角B=角C,AB=DE,要推得三角形ABC约等于三角形EDC
(1)若以SAS为依据,缺条件_________
(2)若以ASA为依据,缺条件_________
(3)若以AAS为依据,缺条件_________

如图四,已知角B=角C,AB=DE,要推得三角形ABC约等于三角形EDC (1)若以SAS为依据,缺条件_________ (2)若以AS如图四,已知角B=角C,AB=DE,要推得三角形ABC约等于三角形EDC(1)若以SAS为依据,缺条件_________(2)若以
(1)若以SAS为依据,缺条件 BC=DC
(2)若以ASA为依据,缺条件 ∠A=∠E
(3)若以AAS为依据,缺条件 ∠ACB=∠ECD