在深度为7的满二叉树中,度为2的结点个数为 【 】。 发布时间:2017-07-03 02:08 │ 来源:www.tikuol.com 题型:填空题 问题: 在深度为7的满二叉树中,度为2的结点个数为 【 】。
题型:填空题 —What did Eric _____ last Sunday? —He _____ a film with Mike. [ ]A. do; sees B. do; saw C. do; was seeing D. did; saw 查看答案