AMC 8 1989 Problem 22

AMC8 1989 年第 22

余数与同余★★★★
The digits 1, 9, 8, 9 are "cycled" separately as shown and put together in a numbered list. What is the 7\textth7\textth number in the list?
数字 1989 分别如图所示"循环"排列,并合在一起形成一个编号列表。列表中的第 7 个数是什么?
  1. A.6
  2. B.10
  3. C.12
  4. D.18
  5. E.24

正确答案 · Correct Answer

C

解析 · Solution

解析整理中

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