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HMMT 二月 2010 · 冲刺赛 · 第 1 题

HMMT February 2010 — Guts Round — Problem 1

专题
Discrete Math / 离散数学
难度
L3
来源
HMMT

题目详情

  1. [ 4 ] If A = 10 − 987654321 and B = , what is the value of AB ? 10
解析
  1. [ 4 ] If A = 10 − 987654321 and B = , what is the value of AB ? 10 √ Answer: 12345679 Both A and B equal 12345679, so AB = 12345679 as well.