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片断一:巧用类(对)比,聚焦问题【第一组】问题1:把8个桃子平均分给4个人,每人分得几个?问题2:把4个桃子平均分给4个人,每人分得几个?【第二组】问题3:如图这两组题有什么相同与不同?生:这两组题都是平均分,所以都用除法计算。生:都已知总数和份数,求每份数,所以用总数÷份数=
Piece 1: clever use of class (to) ratio, focusing on the problem [the first group] Question 1: The average of 8 peaches to 4 individuals, each divided several? Question 2: The average of 4 peaches to 4 individuals , Each divided several? [The second group] Question 3: As shown in these two groups of questions have the same and different? Health: The two groups of questions are average, so are used to calculate. Students: Both the total number and the number of copies are known, and the number of copies is calculated, so the total number of copies / copies =