已知二叉树后序遍历序列是 dabec,中序遍历序列是 debac,它的前序遍历序列是
[img src="https://img.haodaxue.net/uploadimg/image/20200521/20200521111708_31070.png" alt="" />
A.acbed
B.decab
C.deabc
D.cedba
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正确答案: D 答案分析:无
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