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[Problem Solving]

试题详情

题目:

M is the sum of the reciprocals of the consecutive integers from 201 to 300, inclusive. Which of the following is true?

选项:

A、$$\frac{1}{3}<{M}<\frac{1}{2}$$
B、$$\frac{1}{5}<{M}<\frac{1}{3}$$
C、$$\frac{1}{7}<{M}<\frac{1}{5}$$
D、$$\frac{1}{9}<{M}<\frac{1}{7}$$
E、$$\frac{1}{12}<{M}<\frac{1}{9}$$

答案:

A

提问:

may老师,这道题的大致思路是什么呢?

解答:

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阅读578
解答: 徐小梅

提问:

may老师,这道题的大致思路是什么呢?

解答:

点赞0
阅读579
解答: 徐小梅老师

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