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教学目标1.结合实际情境理解中位数和众数的意义,在比较与讨论中建构概念,会求一组数据的中位数和众数。2.根据具体的问题,能选
Teaching Objectives 1. To understand the significance of the median and the mode of the actual situation, to construct the concept in the comparison and discussion will seek the median and the mode of a set of data. According to the specific problem, can choose