Last Updated
：2026/01/04
実数
Hiragana
じっすう
Noun
Japanese Meaning
数学において、連続的な量を表す数で、数直線上の点として表現できる数。整数、有理数、無理数を含む。 / 物理量など、現実世界で計測される連続的な値を表す数。 / 複素数に対して、虚部をもたない数。
Easy Japanese Meaning
小数であらわせる数のこと。整数や分数もふくむ。
Chinese (Simplified) Meaning
能作为收敛有理数列的极限的数 / 包括有理数与无理数的数 / 与虚数相对的数，在实数域中的元素
Chinese (Traditional) Meaning
可在數線上表示的數，包含有理數與無理數 / 收斂有理數序列的極限所得到的數 / 虛部為零的複數
Korean Meaning
실수 / 유리수의 수렴수열의 극한으로 정의되는 수 / 허수부가 0인 복소수
Vietnamese Meaning
số thực / số nằm trên trục số, gồm số hữu tỉ và vô tỉ / giới hạn của một dãy số hữu tỉ hội tụ
Tagalog Meaning
tunay na bilang / hangganan ng sunud-sunod na rasyonal na bilang na nagtatagpo / bilang na kinabibilangan ng rasyonal at irasyonal
Sense（1）
a real number (limit of a convergent sequence of rational numbers)
（ canonical ）
（ romanization ）
（ kyūjitai ）
（ hiragana ）
Quizzes for review
a real number (limit of a convergent sequence of rational numbers)
See correct answer
実数
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Understanding the range of real numbers is a fundamental part of mathematics.
Understanding the range of real numbers is a fundamental part of mathematics.
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実数の範囲を理解することは数学の基本です。
Japanese - English
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