【GMAT考满分数学PS题库】The average (arithmetic mean) of the integers from_真题_答案_解析 GMAT考满分官网

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题目内容

The average (arithmetic mean) of the integers from 200 to 400, inclusive, is how much greater than the average of the integers from 50 to 100, inclusive?

A150
B175
C200
D225
E300

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正确答案: D

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