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整数

zhěng shù

HSK 7–9

Meaning

  • whole number
  • integer (math.)
  • round figure

Definition

整数是数学中的基本概念，指没有小数部分的数，包括正整数、负整数和零。

An integer is a fundamental concept in mathematics, referring to numbers without fractional parts, including positive integers, negative integers, and zero.

Usage

"整数"通常用于数学和日常计数中，表示完整的、非分数的数量。在编程中，整数是一种基本数据类型。

"Integer" is commonly used in mathematics and everyday counting to represent whole, non-fractional quantities. In programming, integer is a basic data type.

Examples

  • 1 这个班级有30个学生，30是一个整数。 (There are 30 students in this class; 30 is an integer.)
  • 2 在数学考试中，我们需要计算两个整数的乘积。 (In the math exam, we need to calculate the product of two integers.)
  • 3 温度降到零下5度，-5是一个负整数。 (The temperature dropped to minus 5 degrees; -5 is a negative integer.)
  • 4 在编程中，整数变量可以存储像100这样的值。 (In programming, integer variables can store values like 100.)
  • 5 0是一个特殊的整数，它既不是正数也不是负数。 (0 is a special integer that is neither positive nor negative.)

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