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~
Mary is building a pyramid out of stacked rows of soup cans. When completed, the top row of the pyramid contains a single soup can, and each row below the top row contains 6 more cans than the one above it. If the completed pyramid contains 16 rows, then how many soup cans did Mary use to build it?
E显示答案
以上解析由 考满分老师提供。