图论证明,图G带v个顶点,e条边的连通平面图简单图,其中v大于等于3且圈的长度为L.
证明（1）L大于等于3（2）e小于等于[L/(L-2)]*(v-2)
人气：311 ℃ 时间：2020-04-03 20:40:18
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