AMC 8 1994 Problem 8

AMC8 1994 年第 8

特殊数与不定方程★★☆☆☆
Problem For how many three-digit whole numbers does the sum of the digits equal 25?
有多少个三位正整数,其各位数字之和等于 25
  1. A.2
  2. B.4
  3. C.6
  4. D.8
  5. E.10

正确答案 · Correct Answer

C

解析 · Solution

解析整理中

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