ChaseDream

标题: OG上的一道！ [打印本页]

作者: gzzxl 时间: 2013-11-5 09:40
标题: OG上的一道！

If the average (arithmetic mean) of six numbers is 75, how many of the numbers are equal to 75 ?

(1)None of the six numbers is less than 75.

(2)None of the six numbers is greater than 75.

麻烦讲讲这题是啥意思，没能读懂啊！~谢谢了@-@

欢迎光临 ChaseDream (https://forum.chasedream.com/)