AMC 8 1992 Problem 7

AMC8 1992 年第 7

奇偶性★★☆☆☆
Problem The digit-sum of 998 is 9+9+8=26. How many 3-digit whole numbers, whose digit-sum is 26, are even?
998 的各位数字之和是 9+9+8=26。有多少个三位正整数,其各位数字之和为 26,且为偶数?
  1. A.1
  2. B.2
  3. C.3
  4. D.4
  5. E.5

正确答案 · Correct Answer

A

解析 · Solution

解析整理中

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