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HMMT 二月 2019 · ALGNT 赛 · 第 2 题

HMMT February 2019 — ALGNT Round — Problem 2

专题
Discrete Math / 离散数学
难度
L3
来源
HMMT

题目详情

  1. Let N = 2 and x be a real number such that N = 2 . Find x . y x 2 2 3 3
解析
  1. Let N = 2 and x be a real number such that N = 2 . Find x . Proposed by: Yuan Yao Answer: 66 We compute 4 6 N 16 4 · 2 2 +2 66 N 16 4 · 2 2 2 ( ) N = 16 = 2 = 2 = 2 , so x = 66 . y x 2 2 3 3