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教学内容:等式、方程、解含有加、减一步运算的最简单方程。教学要求:1.使学生初步理解等式、方程、方程的解、解方程的意义;2.学会利用已学过的求未知数的方法解含有加、减一步运算的最简单方程。教学过程:一、复习:1.口答:用含有宇母的式子表示下面数量关系(出示卡片。主要进行列代数式的训练,例略)
Teaching content: Equations, equations, and solutions The simplest equations that contain addition and subtraction operations. Teaching requirements: 1. Enable students to initially understand equations, equations, solutions of equations, and the meaning of solving equations; 2. Learn to solve the simplest equations that contain additions and subtractions of one-step operations using the learned methods for solving unknowns. Teaching process: First, review: 1. Spoken by using the formula containing the mother-mother to represent the following quantitative relationship (show the card. The main column algebraic training, example omitted)