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笔者收集近年来中考化学方程式计算题并进行分析,发现中考化学方程的计算题型主要有:标签类化学方程式计算题,纯文字类化学方程式计算题,表格、坐标图形类化学方程式计算题。无论面对哪类化学方程式计算题,学生都需要通过认真阅读题,并从中获取有用信息去分析问题和解决问题。怎样让学生学会阅读题呢?以下是本人在化学方程式计算教学中的几点做法,与大家分享。
I collected in recent years in the calculation formula and analysis of senior high school entrance examination, and found that the calculation of senior high school entrance examination chemical equations are: labeling chemical equation calculation questions, plain text type chemical equation calculation questions, tables, graphs and graphs calculation of chemical equations. Regardless of the type of chemical equation calculation questions faced, students need to read the questions carefully and get useful information to analyze and solve problems. How to make students learn to read the question? Here are my points in the teaching of chemical formula calculation method, to share with you.