问题
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3,6,29,62,127,()A.214B.315 C.331D.335
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3,6,29,62,127,() A.214 B.315 C.331 D.335
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3,3,29,15,127,35,()A.345B.360C.256 D.290
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3,3,29,15,127,35,()A.345B.360 C.256D.290
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3, 6, 29, 62, 127, ()。A.214 B.315 C.331 D.335
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● IP地址块202.120.80.128/26包含了 (29) 个主机地址。 (29)A. 15 B. 31 C. 62 D. 127