A.192.168.12.32192.168.12.127
B.192.168.0.0255.255.255.255
C.192.168.12.43255.255.255.128
D.192.169.12.0192.168.12.127
第1题
A.192.168.12.32,192.168.12.127
B.192.168.0.0,255.255.255.255
C.192.168.12.43,255.255.255.128
D.192.168.12.0,192.168.12.127
第2题
A.192.168.12.32—192.168.12.127
B.192.168.0.0—255.255.255.255
C.192.168.12.43—255.255.255.128
D.192.168.12.0—192.168.12
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