A.(2FH)=30H(30H)=40H B.(2FH)=61H(30H)=40H C.(2FH)=60H(30H)=60H D.(2FH)=30H(30H)=60H
A.2片 B.3片 C.4片 D.5片
A.8位 B.16位 C.14位 D.13位