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练习,是全面完成数学教学任务必不可少的重要手段;是教学流程中重要的一个环节;是课堂教学的延伸和继续;是一种有目的、有指导、有组织的学习活动。其效度如何,直接关系到教学质量的高低。所以,数学教师要有一个新的作业练习观,正确认识练习的功能,把握好练习设计的原则,克服设计中存
Exercises are an indispensable means to fully accomplish the tasks of mathematics teaching. It is an important link in the teaching process. It is an extension and continuation of classroom teaching. It is a purposeful, guided and organized learning activity. Its validity is directly related to the level of teaching quality. Therefore, mathematics teachers should have a new concept of homework practice, correct understanding of the function of practice, grasp the principle of practice design, to overcome the design of the deposit