- A.见图A
- B.见图B
- C.见图C
- D.见图D
正确答案及解析
正确答案
解析
本题考察二叉树节点数计算，一颗高度为 h 的二叉树，结点数最多时，即为满二叉树。而高度为h的满二叉树有2h-1个结点，所以一棵二叉树的高度（即层数）为h，则它最多有2h-1个结点。
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