15. (3%) Let G be a connected bipartite planar simple graph with 12 vertices, and let e be the maxim
問題詳情
15. (3%) Let G be a connected bipartite planar simple graph with 12 vertices, and let e be the maximum valueof the number of edges in G. Which of the followings is the value of e mod 11? (A) 3 (B) 7 (C) 9 (D) 10