V2EX whole numbers

Whole Numbers

释义 Definition

whole numbers整数中的“非负整数”,通常指 0, 1, 2, 3, …(有些教材/地区也会把 whole numbers 用来指 1, 2, 3, …,即不含 0;需看上下文或教材定义)。

发音 Pronunciation (IPA)

/hol nmbrz/

例句 Examples

Whole numbers include 0, 1, 2, and 3.
全体数(非负整数)包括 0、1、2 和 3。

When you divide 7 by 2, the result is not a whole number, so you may need to round or use a fraction.
当你用 7 除以 2 时,结果不是全体数(非负整数),所以你可能需要四舍五入或使用分数。

词源 Etymology

whole 源自古英语 hāl,有“完整的、未被分割的”之意;number 来自拉丁语 numerus(“数、数量”)。在数学语境中,whole numbers 用来强调“没有小数或分数部分的数”(通常是非负整数)。

相关词 Related Words

文学与经典作品 Literary Works

  • Principia Mathematica(Whitehead & Russell)
  • Concrete Mathematics(Graham, Knuth & Patashnik)
  • An Introduction to the Theory of Numbers(Hardy & Wright)
  • The Elements(Euclid,常见英译本中会以“numbers / whole numbers”等术语讨论数的性质)
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