whole number
简明释义
整数
英英释义
A whole number is a non-negative integer that does not contain any fractional or decimal part. | 整数是一个不带小数或分数部分的非负整数。 |
例句
1.You can only use whole numbers when counting items.
在计数物品时你只能使用整数。
2.The age of a person is usually represented as a whole number.
一个人的年龄通常用整数表示。
3.When you roll a die, the result is always a whole number between one and six.
当你掷骰子时,结果总是一个介于一到六之间的整数。
4.In mathematics, the set of whole numbers includes zero and all positive numbers.
在数学中,整数的集合包括零和所有正数。
5.A whole number is a number without fractions or decimals.
一个整数是没有小数或分数的数字。
作文
In mathematics, the concept of a whole number is fundamental. A whole number is defined as a non-negative integer that does not have any fractional or decimal part. This means that numbers like 0, 1, 2, 3, and so on are considered whole numbers, while numbers such as -1, 1.5, or 3.14 are not. Understanding whole numbers is essential for various mathematical operations and real-life applications.For instance, when we think about counting objects, we naturally use whole numbers. If you have three apples, you would say you have 3, which is a whole number. If you had 2.5 apples, it would not make sense in the context of counting physical items because you cannot have a fraction of an apple in this scenario. Therefore, whole numbers provide a clear and practical way to represent quantities.Moreover, whole numbers play a significant role in arithmetic operations. When adding or subtracting whole numbers, the result will always be a whole number. For example, if you add 4 and 5, you get 9, which is also a whole number. This property makes whole numbers particularly useful in everyday calculations, such as budgeting or measuring distances.In the realm of computer science, whole numbers are often used in programming and algorithms. Many programming languages define data types that specifically handle whole numbers, allowing for efficient storage and computation. For instance, integers in programming are typically represented as whole numbers and are used for indexing arrays, counting iterations in loops, and performing mathematical calculations.Furthermore, the significance of whole numbers extends beyond pure mathematics. In fields such as statistics, whole numbers are frequently employed to represent counts of occurrences, such as the number of students in a class or the number of sales in a store. These counts are expressed as whole numbers because they reflect discrete quantities that cannot be divided into fractions.In conclusion, whole numbers are an integral part of mathematics and its applications in various fields. They serve as the building blocks for counting, arithmetic operations, and data representation in programming. By understanding the definition and properties of whole numbers, one can gain a better appreciation of their importance in both academic and practical contexts. Whether we are counting apples, performing calculations, or analyzing data, whole numbers remain a vital component of our numerical system.
在数学中,整数的概念是基础。整数被定义为非负整数,没有任何分数或小数部分。这意味着像0、1、2、3等数字被视为整数,而像-1、1.5或3.14这样的数字则不是。理解整数对于各种数学运算和现实生活中的应用至关重要。例如,当我们考虑计数物体时,我们自然会使用整数。如果你有三个苹果,你会说你有3,这是一个整数。如果你有2.5个苹果,在计数实际物品的上下文中就没有意义,因为在这种情况下你不能有一部分苹果。因此,整数提供了一种清晰且实用的方式来表示数量。此外,整数在算术运算中也发挥着重要作用。当加法或减法操作涉及到整数时,结果总是一个整数。例如,如果你将4和5相加,你得到9,这也是一个整数。这个特性使得整数在日常计算中非常有用,比如预算或测量距离。在计算机科学领域,整数通常用于编程和算法。许多编程语言定义了专门处理整数的数据类型,从而实现高效的存储和计算。例如,编程中的整数通常表示为整数,并用于索引数组、循环中的计数迭代以及执行数学计算。此外,整数的重要性超出了纯数学。在统计学等领域,整数经常用于表示事件发生的次数,例如班级中的学生人数或商店的销售数量。这些计数以整数的形式表达,因为它们反映了不能被分割成分数的离散数量。总之,整数是数学及其在各个领域应用的重要组成部分。它们作为计数、算术运算和编程中数据表示的基础。通过理解整数的定义和特性,人们可以更好地欣赏它们在学术和实践中的重要性。无论我们是在计数苹果、进行计算还是分析数据,整数始终是我们数字系统的重要组成部分。