一、课标要求1.了解整数指数幂的意义和基本性质.2.了解整式的概念,会进行简单的整式加、减运算,会进行简单的整式乘法运算(其中的多项式相乘仅指一次式相乘).3.会推导乘法公式:(a+b)(a-b)=a2-b2;(a+b)2=a2+2ab+b2,了解公式的几何背景,并能进行简单计算.二、考题解析例1在多项 First, the course requirements 1. To understand the meaning and basic properties of the integer exponent power. 2 understand the concept of integer, will perform a simple integer addition and subtraction operations, will perform a simple integer multiplication operation (in which the polynomial multiplication refers to only one (Multiply). 3. It will derive the multiplication formula: (a+b)(ab)=a2-b2; (a+b)2=a2+2ab+b2 to understand the geometric background of the formula and to perform simple calculations. Second, the exam analysis example 1 in a number of