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HMMT 十一月 2012 · 冲刺赛 · 第 1 题

HMMT November 2012 — Guts Round — Problem 1

专题
Discrete Math / 离散数学
难度
L3
来源
HMMT

题目详情

  1. [ 5 ] Find the number of prime numbers less than 30.
解析
  1. [ 5 ] Answer: 10 The prime numbers under 30 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29. There are 10 in total.