- UID
- 667763
- 在线时间
- 小时
- 注册时间
- 2011-9-2
- 最后登录
- 1970-1-1
- 主题
- 帖子
- 性别
- 保密
|
[attachimg=527,235]90682[/attachimg] 1.According to the chart shown, which of the following is closest to the median annual number of shipments of manufactured homes in the United States for the years from 1990 to 2000, inclusive?答案选C 我觉得D也很接近呀 是用什么方法算的呀 救救我啊 A.250,000 B.280,000 C.310,000 D.325,000 E.340,000
2.A certain list consists of 3 different numbers.Does the median of the 3 numbers equal the average (arithmetic mean) of the 3 numbers? (1)The range of the 3 numbers is equal to twice the difference between the greatest number and the median. (2)The sum of the 3 numbers is equal to 3 times one of the numbers.答案徐d 这道题是怎么思考的呀 愁死我了 一头雾水 帮我说的详细些吧 谢谢各位了
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?立即注册
x
|