化学计算题涉及的知识范围较广,题目变化较多,且有日渐复杂的趋势。要搞好这部分内容的教学,教师就要通过典型例题的讲解,揭示规律、教授解题方法、培养学生的能力。由于题目类型不拘一格,所以讲授方式也应因题定法。现结合自己的教学实践,谈谈典型例题的讲解。 Chemical calculation problems involve a wider range of knowledge, more changes in topics, and increasingly complex trends. To do a good job in the teaching of this part of the content, teachers will use typical examples to explain, reveal the laws, teach methods to solve problems, and cultivate students’ abilities. Due to the irrespective of the type of question, the method of teaching should also be determined by the question. Now with his own teaching practice, talk about typical examples.