V2EX hcf

HCF

释义 Definition

HCF 是数学缩写,指 highest common factor,即“两数或多数组数的最大公因数(也叫最大公因子)”。在美式英语中更常见的对应说法是 GCF(greatest common factor)。

发音 Pronunciation (IPA)

/et si f/

例句 Examples

Find the HCF of 12 and 18.
求 12 和 18 的最大公因数(HCF)。

To simplify the fraction, divide the numerator and denominator by their HCF.
要把分数化简,用分子和分母的最大公因数(HCF)同时去除。

词源 Etymology

HCF 来自短语 highest common factor 的首字母缩写:highest(最高的)+ common(共同的)+ factor(因数)。它在英式数学教育与教材中非常常用;在北美地区则更常用 GCF 表达同一概念。

相关词 Related Words

文学与著作中的用例 Literary Works

  • NCERT Mathematics(印度国家课程教材,常用 “HCF” 讲解最大公因数与分式化简)
  • Cambridge IGCSE Mathematics(IGCSE 数学教材与练习题中频繁出现 “HCF”)
  • GCSE Mathematics(英国中学 GCSE 数学教材中常用 “HCF and LCM” 作为章节标题与题型)
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