已知点D、E在△ABC的边BC上,AD=AE,BD=EC.求证：AB=AC.

点D.E在△ABC的边BC上,AD=AE,BD=EC,求证:AB=AC 已知点D、E在△ABC的边BC上,AD=AE,BD=EC.求证：AB=AC. 1.点D,E在△ABC的边BC上,AD=AE,BD=EC.求证:AB=AC. 三角形abc,d,e为bc上的点,且bd=ec,求证ab+ac大于ad+ae 点D E在三角形ABC的边BC上 AB=AC AD=AE 求证BD=CE 点D,E在三角形ABC的边BC上,AB=AC,AD=AE,求证BD=CE 点D、E在三角形ABC的边BC上,AB=AC,AD=AE,求证,BD=CE 如图4,已知点D、E在△ABC的边BC上,AB=AC,AD=AE,求证:BD=CE 如图所示已知点D,E在△ABC的边BC上,AB=AC,AD=AE.求证BD=CE.(不能用证明三角形全等证明 如图,已知点D,E在△ABC的边BC上,AB=AC,AD=AE.求证:BD=CE 已知：如图,点D,E在△ABC的边BC上,AB=AC,AD=AE.求证：BD=CE 已知：如图,在△ABC中,AB=AC 点D E在边BC上,且BD=CE,求证：AD=AE