A.0.64和0.36 B.0.36和0.64 C.0.50和0.50 D.0.82和0.18
A.0.36-0.48-0.16 B.0.48-0.36-0.16 C.0.16-0.48-0.36 D.0.16-0.36-0.48
A.1%、2% B.0.5%、5% C.10%、10% D.5%、0.5%