Last Updated
：2026/01/05
逆数
Hiragana
ぎゃくすう
Noun
Japanese Meaning
ある数と掛け合わせると1になる数。数学において、aの逆数は1/aで表される。 / 一般には、ある量や関係を逆転させた対応物を指すこともある。
Easy Japanese Meaning
ある数とかけて答えが一になる数のこと
Chinese (Simplified) Meaning
倒数 / 乘法逆元
Chinese (Traditional) Meaning
倒數 / 乘法逆元
Korean Meaning
어떤 수와 곱하면 1이 되는 수 / 0이 아닌 수의 1을 그 수로 나눈 값
Vietnamese Meaning
số nghịch đảo (toán học) / nghịch đảo (toán học)
Tagalog Meaning
kabaligtarang bilang na kapag pinarami sa orihinal ay 1 / multiplikatibong inbers ng isang bilang
Sense（1）
(mathematics) reciprocal
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
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逆数
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Calculating the reciprocal is one of the basic skills in mathematics.
Calculating the reciprocal is one of the basic skills in mathematics.
See correct answer
逆数を計算するのは数学の基本的なスキルの一つです。
Japanese - English
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