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[Issue Essay]

试题详情

题目:

Analytical!

选项:

答案:

提问:

A report consisting of 2,600 words is divided into 23 paragraphs. A 2-paragraph preface is then added to the report. Is the average (arithmetic mean) number of words per paragraph for all 25 paragraphs less than 120 ? (1) Each paragraph of the preface has more than 100 words. (2) Each paragraph of the preface has fewer than 150 words.

解答:

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解答:

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解答: 徐小梅老师

提问:

老师,为什么d能加强呢?

解答:

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解答: haiwang@boost.org.cn老师

提问:

老师这道题为什么最小距离和所有可能的距离有什么差别?之前有类题做法A(8,8)/A(3,3)*A(2,2)

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解答: 徐小梅老师

提问:

老师,这道题我没什么思路

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解答: 徐小梅老师

提问:

这个我只能想到p^x和p^y个位数相乘为1,D是怎么做的?

解答:

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解答: 徐小梅老师

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