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[Problem Solving]

试题详情

题目:

For any integer k greater than 1, the symbol $${k}^ast$$ denotes the product of all the fractions of the form $$frac1 t$$, where t is an integer between 1 and k, inclusive. What is the value of $$frac{{5}^ast} {{4}^ast}$$?

选项:

A、5
B、$$\frac{5}{4}$$
C、$$\frac{4}{5}$$
D、$$\frac{1}{4}$$
E、$$\frac{1}{5}$$

答案:

E

提问:

请问一下此题的解题过程。谢谢

解答:

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阅读485
解答: ken@boost.org.cn

提问:

请问一下此题的解题过程。谢谢

解答:

点赞0
阅读486
解答: ken@boost.org.cn老师

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