整式乘除是中学代数中最重要的内容之一，它是学习解方程、因式分解、分式、根式、函数等知识的基础。在整式乘除中有关的性质、法则和公式特别多，学生在这部分内容学习中记错，混淆的现象时有发生，怎样才能让学生切实掌握和灵活运用这部分知识呢？1基础—幂的运算性质的教学 Integral multiplication and division is one of the most important contents in algebra of middle school. It is the basis of learning knowledge of equations, factorization, fractional, radical and function. In the integral multiplication and division of the nature, laws and formulas are particularly large, students in this part of the content of learning mistakes, confusion phenomena occur from time to time, how to make students practical grasp and flexible use of this part of knowledge? 1 basic - power computing nature of teaching