喜樂美語
  1. 1

    HCF is a short form you meet in maths class. It means highest common factor: the biggest whole number that divides two (or more) numbers exactly, with nothing left over. The HCF of 12 and 18 is 6, because 6 goes into both, and no bigger whole number does. British like this name. American ones more often say GCF (greatest common factor) or GCD (greatest common divisor). Same idea, different letters. You would not use HCF in ordinary conversation; it belongs on a .

    最大公因數（英式縮寫 HCF；台灣課本說「最大」，不是字面上的「最高」。美式較常寫 GCF／GCD）

    例句逐字對照、搭配詞、易混淆字

    這一義的完整解析還沒打開。訂閱後可以看到例句怎麼拆、常跟哪些字一起出現， 以及容易跟它搞混的字。

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組成Short for highest common factor: highest = biggest; common = shared by both numbers; factor = a number that divides another exactly.

原始詞典資料2 筆記錄

以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。

這個拼法也被記錄為下列字的變化形：

資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。