sum-of-the-digits method

简明释义

数字总和折旧法，数字总和法

英英释义

例句

1.To determine if a number is divisible by 3, you can use the sum-of-the-digits method (数字和法) by adding its digits together.

要判断一个数字是否能被3整除，你可以使用数字和法 (数字和法)，将其各位数字相加。

2.For large numbers, the sum-of-the-digits method (数字和法) can help you quickly estimate divisibility.

对于大数字，数字和法 (数字和法)可以帮助你快速估算可整除性。

3.In our math class, we learned the sum-of-the-digits method (数字和法) to simplify complex calculations.

在我们的数学课上，我们学习了数字和法 (数字和法)来简化复杂的计算。

4.When solving this puzzle, try using the sum-of-the-digits method (数字和法) to find the hidden patterns.

在解决这个谜题时，尝试使用数字和法 (数字和法)来找到隐藏的模式。

5.The teacher explained that the sum-of-the-digits method (数字和法) is useful for checking the accuracy of arithmetic operations.

老师解释说，数字和法 (数字和法) 对于检查算术运算的准确性非常有用。

作文

The sum-of-the-digits method is a fascinating mathematical technique that is often used to determine the divisibility of numbers. This method involves adding together all the digits of a number and then examining the resulting sum to see if it meets certain criteria. For instance, a common application of the sum-of-the-digits method is in checking whether a number is divisible by 3 or 9. If the sum of the digits is divisible by 3, then the original number is also divisible by 3. Similarly, if the sum of the digits is divisible by 9, the original number will be divisible by 9 as well. To illustrate this concept, let’s take the number 123456. First, we break down the number into its individual digits: 1, 2, 3, 4, 5, and 6. Next, we add these digits together: 1 + 2 + 3 + 4 + 5 + 6 = 21. Now, we need to check if 21 is divisible by 3 or 9. Since 21 divided by 3 equals 7, which is an integer, we conclude that 123456 is divisible by 3. However, since 21 divided by 9 does not yield an integer, we can say that 123456 is not divisible by 9. The sum-of-the-digits method is not only useful for determining divisibility; it also serves as a great educational tool. It encourages students to engage with numbers in a fun and interactive way. By using this method, learners can develop a deeper understanding of how numbers work and the relationships between them. Furthermore, it enhances mental arithmetic skills, as students practice adding numbers quickly and efficiently. In addition to its educational benefits, the sum-of-the-digits method has practical applications in various fields such as computer science and cryptography. For example, checksums, which are used to verify the integrity of data, often employ this method to ensure that information has not been altered or corrupted during transmission. By calculating the checksum using the sum-of-the-digits method, systems can easily detect errors and maintain data accuracy. Moreover, the sum-of-the-digits method can also be extended to explore more complex mathematical concepts. For instance, mathematicians may use this technique to study patterns within numbers or to develop algorithms for solving problems related to number theory. The versatility of this method makes it a valuable asset in both academic and professional settings. In conclusion, the sum-of-the-digits method is a powerful mathematical tool that not only aids in determining divisibility but also enhances learning and practical applications in technology. By understanding and applying this method, one can unlock a deeper appreciation for the beauty of mathematics and its relevance in everyday life. Whether you are a student, educator, or professional, the sum-of-the-digits method offers numerous benefits that can enrich your understanding of numbers and their properties.

数字和方法是一种迷人的数学技巧，通常用于确定数字的可整除性。该方法涉及将一个数字的所有数字相加，然后检查结果总和以查看它是否满足某些标准。例如，数字和方法的一个常见应用是检查一个数字是否可以被3或9整除。如果数字的总和可以被3整除，则原始数字也可以被3整除。同样，如果数字的总和可以被9整除，则原始数字也可以被9整除。为了说明这一概念，让我们以数字123456为例。首先，我们将数字分解为其各个数字：1、2、3、4、5和6。接下来，我们将这些数字相加：1 + 2 + 3 + 4 + 5 + 6 = 21。现在，我们需要检查21是否可以被3或9整除。由于21除以3等于7，这是一个整数，因此我们得出结论，123456可以被3整除。然而，由于21除以9不能得到一个整数，我们可以说123456不能被9整除。数字和方法不仅对确定可整除性有用；它还作为一个很好的教育工具。它鼓励学生以一种有趣和互动的方式与数字互动。通过使用这种方法，学习者可以更深入地理解数字的工作原理以及它们之间的关系。此外，它提高了心理算术技能，因为学生练习快速而有效地加法。除了教育方面的好处，数字和方法在计算机科学和密码学等多个领域也具有实际应用。例如，用于验证数据完整性的校验和通常使用此方法来确保在传输过程中信息没有被更改或损坏。通过使用数字和方法计算校验和，系统可以轻松检测错误并保持数据准确性。此外，数字和方法还可以扩展到探索更复杂的数学概念。例如，数学家可能使用此技术研究数字中的模式或开发解决与数论相关问题的算法。这种方法的多功能性使其成为学术和专业环境中的宝贵资产。总之，数字和方法是一种强大的数学工具，不仅有助于确定可整除性，还增强了学习和技术中的实际应用。通过理解和应用这种方法，人们可以解锁对数学之美及其在日常生活中的相关性的更深刻欣赏。无论你是学生、教育工作者还是专业人士，数字和方法都提供了许多好处，可以丰富你对数字及其属性的理解。