【单选题】_the forest park is far away, a lot of tourists visit it every year.
【单选题】设一棵树的度为3,其中没有度为2的结点,且叶子结点数为6。该树中度为3的结点数为()
【单选题】设一棵树的度为3,其中没有度为2的结点,且叶子结点数为5。该树中度为3的结点数为
【简答题】____ the forest park is far away , a lot of tourists visit it every year.
【单选题】设一棵树的度为3,其中没有度为2的结点,且叶子结点数为6。该树中度为3的结点数为
【简答题】e____ n. 扩大,扩充;发展,膨胀
【单选题】The park is far away from here indeed. It ’ s about ____ walk. A. a three hour B. a three hour’s C. a three-hours D. a three-hour
【单选题】设一棵树的度为3,其中度为3,2,1的结点个数分别为4,1,3。则该棵树中的叶子结点数为