多项选择题

A.I(v+m)>IIc
B.I(c+v+m)=Ic+IIc
C.I(c+v+m)=I(c+△c)+II(c+△c)
D.II(c+v+m)=I(v+m)+II(v+m)
E.II(c+v+m)=Ic+IIc