三角形ABC,AD,BE,CF为边中线交点0,0M,0N,0G各直BC,AC,AB设其边AB,BC...答:RBD,SBD,TBD,UBD,VBD,WBD,XBD,YBD,ZBD,ACD,BCD,CCD,DCD,ECD,FCD,GCD,HCD,ICD,JCD,KCD,LCD,MCD,NCD,OCD,PCD,QCD,RCD,SCD,TCD,UCD,VCD,WCD,XCD,,GSW,HSW,ISW,JSW,KSW,LSW,MSW,NSW,OSW,PSW,QSW,RSW,SSW,TSW,USW,VSW,WSW,XSW,YSW,ZSW,AIX,BIX,CIX,DIX,EIX,FIX,GIX,HIX,IIX ...