Last Updated
：2025/11/20
factorial
IPA(Pronunciation)
Noun
Japanese Meaning
階乗 - 1からその数までの連続する整数の積を意味する数学的概念。例えば、5!は1×2×3×4×5＝120となる。 / 数学および組み合わせ論で使用され、感嘆符（!）で表記される演算
（ plural ）
Quizzes for review
(mathematics, combinatorics) The result of multiplying a given number of consecutive integers from 1 to the given number. In equations, it is symbolized by an exclamation mark (!). For example, 5! = 1 × 2 × 3 × 4 × 5 = 120.
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factorial
To determine how many ways five books can be arranged on a shelf, you calculate the factorial 5!, which equals 120.
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To determine how many ways five books can be arranged on a shelf, you calculate the factorial 5!, which equals 120.
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