答案及解析：[单选题]A planar graph has 100 verteices, 90 edges and 10 faces. What's the number of connected domains - 理学类题库- 答案窝(daanwo.com)-大学生作业答案及考资分享平台

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问题：

[单选题]A planar graph has 100 verteices, 90 edges and 10 faces. What's the number of connected domains?
一个平面上的图，如果其顶点数是100，边数是90，面数是10，那么连通域的数目是？
A19
B20
C21
D22

Tags：学堂在线清华大学计算几何(2021春)课后作业题答案

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