A.0.67~0.75 B.0.80~0.90 C.0.60 D.00.50
A.0.67~0.75 B.0.80~090 C.0.60 D.0.50
A.0.2、0.6、0.8 B.0.2、0.4、0.6 C.0.4、0.5、0.6 D.0.4、0.6、0.8