HMMT 二月 2014 · 代数 · 第 2 题
HMMT February 2014 — Algebra — Problem 2
题目详情
英文原题
- Find the integer closest top p .1
4 4
4 4
5 + 1 5 1
解析
英文解析
- Find the integer closest to
√ √ .1
4 4
4 4
5 + 1 − 5 − 1
4 1 / 4 4 1 / 4
Answer: 250 Let x = (5 + 1) and y = (5 − 1) . Note that x and y are both approximately