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标题: 求助一道数学题 [打印本页]

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作者: yydetiankong    时间: 2010-8-10 21:57
标题: 求助一道数学题
For every positive even integer n, the function h(n) is defined to be the product of all the even integers from 2 to n, inclusive.If p is the smallest prime factor of h(100) + 1, then p is?
(A) between 2 and 10

(B) between 10 and 20

(C) between 20 and 30

(D) between 30 and 40

(E) greater than 40


这个不会做~请高人赐教~谢谢~~~答案是E


(A) between 2 and 10

(B) between 10 and 20

(C) between 20 and 30

(D) between 30 and 40

(E) greater than 40


这个不会做~请高人赐教~谢谢~~~答案是E

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作者: Cecilia89    时间: 2010-8-10 22:04
http://forum.chasedream.com/GMAT_Math/thread-124700-5-1.html
这个是以前的讨论稿

另附以前PREP题目讨论贴
http://forum.chasedream.com/GMAT_Math/thread-150752-1-1.html

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作者: yydetiankong    时间: 2010-8-10 23:45
非常感谢~~`

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