【单选题】【消耗次数:1】
设无向图中有 6 条边, 3 度与 5 度顶点各一个, 其余的都是 2 度顶点, 则该图有几个顶点:
3;
4;
5;
7。
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相关题目
【单选题】 设无向图中有6条边,有一个3度顶点和一个5度顶点,其余顶点度为2,则该图的顶点数是(   )
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