AMC 8 1994 Problem 6

AMC8 1994 年第 6

余数与同余★★☆☆☆
The unit's digit (one's digit) of the product of any six consecutive positive whole numbers is
任意六个连续正整数的乘积的个位数字是
  1. A.0
  2. B.2
  3. C.4
  4. D.6
  5. E.8

正确答案 · Correct Answer

A

解析 · Solution

解析整理中

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