最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦～
The first term of sequence K is 7 and the last term is 217. Each term after the first is 2 greater than the previous term. How many terms are in sequence K?
106 显示答案
· 相关考点
6.2.1 等差数列
6.2.1 等差数列
以上解析由 考满分老师提供。
