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PUMaC 2019 · 代数（A 组） · 第 4 题

PUMaC 2019 — Algebra (Division A) — Problem 4

专题
Discrete Math / 离散数学
难度
L3
来源
PUMaC

题目详情

  1. Let N be the set of non-negative integers. There is a triple ( f, a, b ), where f is a function 0 from N to N and a, b ∈ N , that satisfies the following conditions: 0 0 0
解析
  1. Let N be the set of non-negative integers. There is a triple ( f, a, b ), where f is a function 0 from N to N and a, b ∈ N , that satisfies the following conditions: 0 0 0