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作业练习,是教学流程中重要的一个环节,是课堂教学的延伸和继续,其效度如何,直接关系到数学教学质量的高低。合理的练习是学生学习数学,发展
Homework is an important part of teaching process. It is the extension and continuation of classroom teaching. The validity of it is directly related to the quality of mathematics teaching. Reasonable practice is that students learn mathematics, development