AMC 8 2008 Problem 22

AMC8 2008 年第 22

整除与因数★★★★
For how many positive integer values of n are both n/3 and 3n three-digit whole numbers?
有多少个正整数 n,使得和
  1. A.12
  2. B.21
  3. C.27
  4. D.33
  5. E.34

正确答案 · Correct Answer

A

解析 · Solution

解析整理中

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