1,5,19,81,411,()
A.2473
B.2485
C.1685
D.1857
:1,32,81,64,25,()1。A.5 B.6 C.10D.12
1.5,19,81,411,() A.2473 B.2485 C.1685 D.1857
1,32,81,64,25,(),1。 A.5 B.6 C.10 D.12
1,32,81,64,25,(),1 A.5 B.6 C.10 D.12
254.255.19/255.255.255.248的广播地址是什么? ()A.10.254.255.23B.10.254.255.24C.10.