“整式的加减”是“数与代数”领域的重要内容之一,是七年级上册的学习重点之一,也是代数恒等变形的基本内容之一.掌握整式的加减,是学好“一元一次方程”的基础,也是学习分式和根式运算、方程以及函数等知识的重要基础.下面举例说明如何运用整式的加减解决问题.一、学习目标1.理解并掌握单项式、多项式、整式的概 One of the important contents in the field of “number and algebra” is one of the key learning points of the seventh grade and one of the basic contents of the algebraic identity transformation. Master the addition, subtraction, Is to learn a good basis for the “one dollar equation”, but also learning important factors such as fractional and radical operations, equations and functions, etc. Here is an example of how to use the integer addition and subtraction to solve the problem. Monomial, polynomial, integer summary