一道GMAT數(shù)學(xué)題……求解……
一道GMAT數(shù)學(xué)題……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.
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.
英語(yǔ)人氣：433 ℃時(shí)間：2020-07-31 14:00:28
優(yōu)質(zhì)解答
6個(gè)數(shù)的算術(shù)平均=75 => 應(yīng)有>75者也有 6個(gè)都是75
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