decimal number

简明释义

十进位数

英英释义

例句

1.The cost of the item was listed as a decimal number 十进制数 in the receipt.

收据上的商品价格以decimal number 十进制数形式列出。

2.When you convert a fraction to a decimal number 十进制数, you divide the numerator by the denominator.

当你将分数转换为decimal number 十进制数时，你需要将分子除以分母。

3.In programming, you often work with decimal numbers 十进制数 for precise calculations.

在编程中，你通常会处理decimal numbers 十进制数以进行精确计算。

4.A decimal number 十进制数 can represent values less than one, such as 0.75.

一个decimal number 十进制数 可以表示小于1的值，例如0.75。

5.In mathematics, a decimal number 十进制数 is a number that has a decimal point.

在数学中，decimal number 十进制数 是一个有小数点的数字。

作文

In our daily lives, we often encounter various forms of numbers, but one specific type that plays a crucial role in mathematics and everyday calculations is the decimal number. A decimal number is a number that is expressed in the base 10 system, which is the standard system for denoting integer and non-integer numbers. This system uses ten digits, from 0 to 9, and the position of each digit determines its value based on powers of ten. Understanding decimal numbers is essential not only for academic purposes but also for practical applications in life. For instance, when we go shopping, prices are usually listed as decimal numbers. If an item costs $19.99, the '.99' indicates the cents, which is a fractional part of the dollar. This understanding allows consumers to make informed decisions about their purchases. Similarly, when calculating expenses or budgeting, we often use decimal numbers to ensure accuracy. A small mistake in the decimal can lead to significant errors in financial planning.Furthermore, decimal numbers are foundational in various fields such as science, engineering, and technology. Scientists frequently use decimal numbers to express measurements with precision. For example, when measuring the temperature, a scientist might record it as 36.5 degrees Celsius. The decimal number here provides a more precise measurement than just saying 36 degrees. In addition to practical applications, decimal numbers are also vital in programming and computer science. Computers operate using binary code (0s and 1s), but programmers often convert decimal numbers into binary for processing. Understanding how to manipulate decimal numbers is crucial for anyone interested in pursuing a career in technology. Moreover, teaching children about decimal numbers is an important aspect of their mathematical education. By introducing them to decimal numbers early on, educators can help students develop a strong foundation in math. Activities such as using money to teach decimal numbers can make learning fun and relatable. Children can grasp the concept of decimal numbers through real-life scenarios, making it easier for them to understand and apply in future situations.In conclusion, decimal numbers are more than just a mathematical concept; they are integral to our daily lives and various professional fields. Whether we are calculating expenses, measuring scientific data, or programming computers, the significance of decimal numbers cannot be overstated. As we continue to navigate through a world filled with numerical data, mastering the understanding and application of decimal numbers will undoubtedly serve us well in both personal and professional endeavors.

在我们的日常生活中，我们经常会遇到各种形式的数字，但其中一个在数学和日常计算中起着至关重要作用的特定类型是小数。小数是以10为基数系统表示的数字，这是表示整数和非整数数字的标准系统。该系统使用十个数字，从0到9，每个数字的位置根据十的幂决定其值。理解小数不仅对学术目的至关重要，而且在生活中的实际应用中也是如此。例如，当我们购物时，价格通常以小数的形式列出。如果一件商品的价格是19.99美元，那么'.99'表示美分，这是美元的一部分。这种理解使消费者能够对其购买做出明智的决策。同样，在计算费用或预算时，我们经常使用小数来确保准确性。小数中的一个小错误可能会导致财务规划中的重大错误。此外，小数在科学、工程和技术等各个领域中也是基础。科学家经常使用小数来精确表达测量。例如，在测量温度时，科学家可能将其记录为36.5摄氏度。这里的小数提供了比仅仅说36度更精确的测量。除了实际应用，小数在编程和计算机科学中也至关重要。计算机使用二进制代码（0和1）进行操作，但程序员通常将小数转换为二进制进行处理。理解如何操作小数对任何有兴趣从事技术职业的人来说都是至关重要的。此外，教孩子们关于小数的知识是他们数学教育的重要方面。通过及早向他们介绍小数，教育工作者可以帮助学生建立坚实的数学基础。使用货币来教授小数等活动可以使学习变得有趣和相关。孩子们可以通过现实生活中的场景掌握小数的概念，使他们更容易理解和应用于未来的情况。总之，小数不仅仅是一个数学概念；它们是我们日常生活和各个专业领域不可或缺的一部分。无论我们是在计算费用、测量科学数据还是编程计算机，小数的重要性都不容低估。随着我们继续在充满数字数据的世界中导航，掌握小数的理解和应用无疑将在个人和职业发展中大有裨益。