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搜题/搜资源
【单选题】【消耗次数:1】
假设在一棵二叉树中,双分支结点数为15,单分支结点数为30个,则叶子结点数为( )个。
①
15
②
16
③
17
④
47
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假设在一棵二叉树中,双分支结点数为15,单分支结点数为30个,则叶子结点数为( )个。
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