A.98.4% B.99.4% C.99.8% D.99.9% E.99%
A.1∶2 B.2∶1 C.3∶1 D.4∶1 E.3∶2
A.6.0~7.9 B.5.0~6.9 C.5.0~7.9 D.6.0~8.9 E.6.5~7.5