AMC 8 1991 Problem 9

AMC8 1991 年第 9

基本计数原理★★☆☆☆
Problem How many whole numbers from 1 through 46 are divisible by either 3 or 5 or both?
146 的正整数中,有多少个能被 35 或两者同时整除?
  1. A.18
  2. B.21
  3. C.24
  4. D.25
  5. E.27

正确答案 · Correct Answer

B

解析 · Solution

解析整理中

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