3/15,1/3,3/7,1/2,( )A.5/8B.4/9C.15/27D.-3
3/15,1/3,3/7,1/2,( )
A.5/8
B.4/9
C.15/27
D.-3
相关考题:
串行异步通信格式约定,数据位为()位,停止位为()位的高电平。A.5~8,1~2B.4~8,2~3C.5~7,1~2D.5~8,1
3/15,1/3,3/7,1/2,( )
A.5/8
B.4/9
C.15/27
D.-3