△ABC与△DEF中,∠A=∠D,∠ABC=∠DEF,∠ABC和∠DEF的角平分线分别为BP、EM,BP=EM,求证：△ABC≌△DEF证明：BP、EM分别平分∠ABC和∠DEF,而∠ABC=∠DEF∴∠ABP=∠DEM,同时：∠A=∠D,BP=EM∴△ABP≌△DEM,∴AB=DE,而∠...