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乘法分配律涉及交换律和结合律知识,学生学习难度较大。教师应当利用生活教学法,创设情境进行有效的课堂导入;通过观察比较与分析,引导学生自主归纳规律;组织拓展训练内容,进一步帮助学生巩固所学习的新知识。
Multiplication distribution law involves the exchange of law and knowledge of the law, students learn more difficult. Teachers should use life teaching method to create situations to carry out effective classroom introduction. Through observation and comparison, teachers should be guided to autonomously induce regularities. Organizations should expand their training content to further help students consolidate the new knowledge they have learned.