问题
单项选择题
如果存在简单图G以数列d=(d1,d2...,dn)为度数列,则称d是可图解的,下面数列不可图解的是
A.(3,3,3,3)
B.(2,2,2,2,3,3)
C.(2,2,3,4,5,6,6)
D.(2,2,3,3,3,5)s
答案
参考答案:C
如果存在简单图G以数列d=(d1,d2...,dn)为度数列,则称d是可图解的,下面数列不可图解的是
A.(3,3,3,3)
B.(2,2,2,2,3,3)
C.(2,2,3,4,5,6,6)
D.(2,2,3,3,3,5)s
参考答案:C
读一读,选一选。 | |
Teacher: 1__________ Li Ping: Hello! My name is Li Ping. What's your name? Meimei: 2__________ Li Ping: Nice to meet you, too. This is my friend. Her name is Mary. Meimei: 3__________ Mary: I am fine. How are you? Meimei: 4__________ Li Ping: 5__________
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