A.年初借款本息累計+本年借款額 B.年初借款本息累計+本年借款額/2 C.年初借款本息累計-本年借款額 D.年初借款本息累計-本年借款額/2
A.745.57 B.1258.55 C.274.93 D.4837.84
A.2128.00 B.1151.92 C.952.00 D.752.08