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标题: 求助GWD2-M2 [打印本页]

作者: observer 时间: 2005-4-26 08:36 标题: 求助GWD2-M2

求助GWD2-M2

Q2:

If n is a positive integer and the product of all the integers from 1 to n, inclusive, is divisible by 990, what is the least possible value of n?

A. 8

B. 9

C. 10

D. 11

E. 12

AnswerB

请NN解释,谢谢先.

作者: himba 时间: 2005-4-26 08:37

不可能吧

我的答案是D

因为必须要有11的因子

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