为什么将数分为单数和双数？ 时间：2026-10-28 11:14:00 浏览：952次 An easy conceptual way to consider parity is to think it as the residue classes mod 2, i.e. it allows us to consider things over the field with the least cardinal. 标签：将数,双数,单数,数学,数论,数字
