AMC 8 1991 Problem 13

AMC8 1991 年第 13 题

整除与因数★★★☆☆
How many zeros are at the end of the product
25×25×25×25×25×25×25×8×8×8?25×25×25×25×25×25×25×8×8×8?
乘积
25×25×25×25×25×25×25×8×8×825×25×25×25×25×25×25×8×8×8
末尾有多少个零？
  1. A.3
  2. B.6
  3. C.9
  4. D.10
  5. E.12

正确答案 · Correct Answer

C

解析 · Solution

解析整理中

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