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以往的研究在于变式教学的使用层面,而本文选择了一个新的角度,通过一个数学任务的分析框架来研究现成的变式教学案例,来达到对变式教学的深入理解。
The previous research is on the use of variant teaching. This article chooses a new perspective to study the existing variant teaching case through a mathematical task analysis framework to achieve a deep understanding of variant teaching.