在一个有20个点的树中,其线数为()。
A.20
B.10
C.18
D.21
正确答案是B
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/227909.html
上一篇:体现了人们对社会环境的态度和行为特征的是 ( )
下一篇:Let it not be supposed by the enemies of the system , during the period of his solitary incarceration, Oliver was denied the benefit of exercise, the pleasure of society , or the advantages oJ religious consolation.What do you think Charles Dicke