number term
简明释义
数值项
英英释义
A number term is a mathematical expression that represents a specific quantity or value, typically consisting of numbers and possibly variables or operators. | 数字项是一个数学表达式,表示特定的数量或值,通常由数字以及可能的变量或运算符组成。 |
例句
1.The teacher explained that a number term can be an integer, fraction, or decimal.
老师解释说,number term 可以是整数、分数或小数。
2.When solving this algebraic expression, identify each number term to simplify it correctly.
在解这个代数表达式时,识别每个number term以正确简化它。
3.In mathematics, a number term refers to a specific value or digit in an equation.
在数学中,number term 指的是方程中的特定值或数字。
4.In the sequence 2, 4, 6, 8, each element is a number term of the series.
在序列2、4、6、8中,每个元素都是该系列的number term。
5.To find the sum, add all the number terms together.
要找到总和,将所有的number terms相加。
作文
In mathematics, understanding the concept of a number term is essential for solving various problems and equations. A number term refers to a single number or a variable that represents a number in an expression or equation. For instance, in the expression 3x + 5, both 3x and 5 are number terms. The first part, 3x, is a coefficient multiplied by a variable, while the second part, 5, is a constant integer. This distinction is crucial because it helps in simplifying expressions and solving algebraic equations.The importance of number terms extends beyond simple arithmetic. In algebra, we often manipulate these terms to isolate variables and find their values. For example, if we have the equation 2x + 3 = 11, we can identify 2x as a number term and 3 as another number term. By performing operations such as subtraction or division, we can systematically solve for x. This process highlights how number terms function within the framework of mathematical operations, allowing us to derive solutions from complex problems.Moreover, number terms can also appear in more advanced mathematical concepts such as polynomials and sequences. In a polynomial like 4x^2 + 3x - 2, each component (4x^2, 3x, and -2) is a number term. Understanding how to identify and work with these terms is fundamental for higher-level mathematics, including calculus and statistics. It allows students to grasp the behavior of functions and analyze data effectively.In addition to their mathematical significance, number terms also play a role in real-world applications. For example, when calculating expenses or budgeting, individuals often use number terms to represent different costs and revenues. Understanding how to manipulate these terms can lead to better financial decisions. In science, measurements and data collection often involve number terms to quantify observations, making them vital for accurate reporting and analysis.To illustrate further, consider the scenario of a school project where students need to create a budget for an event. They will list various expenses such as venue rental, food, and entertainment, each represented by a number term. By adding these number terms together, they can determine the total cost and compare it against their available funds. This practical application shows how number terms are not just abstract concepts but tools that help in everyday decision-making.In conclusion, the concept of a number term is foundational in mathematics and extends its relevance to various fields and everyday situations. Whether in solving equations, analyzing data, or making financial decisions, number terms provide the building blocks for understanding and applying mathematical principles. Mastering this concept is crucial for anyone looking to excel in mathematics and related disciplines, as it opens the door to more complex ideas and applications. Therefore, recognizing and effectively utilizing number terms is a skill that will benefit learners throughout their academic and professional lives.
在数学中,理解数项的概念对解决各种问题和方程至关重要。数项指的是表达式或方程中的单个数字或表示数字的变量。例如,在表达式3x + 5中,3x和5都是数项。第一部分3x是一个与变量相乘的系数,而第二部分5是一个常数整数。这一区别至关重要,因为它有助于简化表达式和解决代数方程。数项的重要性不仅限于简单的算术。在代数中,我们常常操纵这些项以隔离变量并找到它们的值。例如,如果我们有方程2x + 3 = 11,我们可以识别出2x是一个数项,而3是另一个数项。通过进行减法或除法等运算,我们可以系统地求解x。这个过程突显了数项在数学运算框架中的功能,使我们能够从复杂问题中推导出解决方案。此外,数项还可以出现在更高级的数学概念中,例如多项式和序列。在像4x^2 + 3x - 2这样的多项式中,每个组成部分(4x^2、3x和-2)都是数项。理解如何识别和处理这些项对于高水平的数学(包括微积分和统计学)至关重要。它使学生能够掌握函数的行为并有效分析数据。除了它们的数学意义,数项在现实世界的应用中也发挥着作用。例如,在计算开支或预算时,个人通常使用数项来表示不同的成本和收入。理解如何操作这些项可以导致更好的财务决策。在科学中,测量和数据收集通常涉及数项来量化观察,使其对准确报告和分析至关重要。为了进一步说明,考虑一个学校项目的场景,学生需要为一个活动创建预算。他们将列出各种开支,如场地租赁、食品和娱乐,每项都由一个数项表示。通过将这些数项相加,他们可以确定总成本,并与他们可用的资金进行比较。这一实际应用展示了数项不仅仅是抽象概念,而是帮助日常决策的工具。总之,数项的概念是数学的基础,并将其相关性扩展到各个领域和日常情况。无论是在解决方程、分析数据还是做出财务决策时,数项提供了理解和应用数学原理的基础。掌握这一概念对任何希望在数学及相关学科中取得优异成绩的人来说都是至关重要的,因为它为理解和应用更复杂的思想打开了大门。因此,识别和有效利用数项是一项将使学习者在他们的学术和职业生涯中受益的技能。