【总体说明】分式方程是初中数学北师大版八年级下第三章分式中第四节的内容,分式方程共三个课时,它分为分式方程的认知。分式方程的解答以及分式方程在实际问题中的应用。彼此之间由浅入深,让学生经历一个“实际问题—分式方程建模—求解—解释解的合理性”的过程。本节主要是通过实际问题的解决让学生认识 [General description] Fractional equation is the contents of the fourth quarter of the third chapter of the eighth grade in the junior high school maths division. There are three hours in the fractional equation, which is divided into the recognition of the fractional equation. The Solution of Fractional Equations and the Application of Fractional Equations in Practical Problems. Between each other by shallow, so that students go through a “practical problem - fractional equation modeling - solution - interpretation of the rationality ” process. This section mainly through the solution of practical problems for students to understand