一道GMAT数学题……求解……Ifthe 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.

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一道GMAT数学题……求解……Iftheaverage(arithmeticmean)ofsixnumbersis75,howmanyofthenumbersareequalto75(1)Noneof

一道GMAT数学题……求解……Ifthe 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.
一道GMAT数学题……求解……
Ifthe 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.

一道GMAT数学题……求解……Ifthe 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.
6个数的算术平均=75 => 应有>75者也有 6个都是75

题目:如果6个数的平均数是75,则有多少个数等于75
1)所有的数都不小于75
2)所有的数都不大于75
结果1)6个
2)6个

两个答案都是6