ChaseDream
搜索
返回列表 发新帖
查看: 521|回复: 0
打印 上一主题 下一主题

求教几个数学问题, 答案有疑问

[复制链接]
跳转到指定楼层
楼主
发表于 2010-8-18 10:51:03 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
1: If n is a positive integer, what is the remainder when 3^(8n+3) +2 is divdied by 5?
A. 0 B. 1 C. 2 D. 3 E.4
给的答案是A, 我觉得像是E 呢.......

2: A total of 100 customers purchased books at a certain bookstore last week. If these customers purchased a total of 200 books, how many of the customers purchased only 1book each?
(1) None of the customers purchased more than 3 books.
(2) 20 of the customers purchased only 2 books each.
给的答案是C, 我觉得是E

谢谢!!!!!!!!!!!!!!!!!!
收藏收藏 收藏收藏
您需要登录后才可以回帖 登录 | 立即注册

Mark一下! 看一下! 顶楼主! 感谢分享! 快速回复:

手机版|ChaseDream|GMT+8, 2025-1-30 21:05
京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号

ChaseDream 论坛

© 2003-2023 ChaseDream.com. All Rights Reserved.

返回顶部