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人教版数学二年级(下)的第一单元是解决问题,其中例2有个应用题“面包师傅一共做了54个面包,一组的小朋友买走了8个面包,另一组的小朋友买走了22个面包,还剩几个面包?”遵循解题的多样性,有三种解题方法:
PEP teaching mathematics second grade (the first) is the first unit to solve the problem, which has a problem in Example 2 “Baker made a total of 54 bread, a group of children bought eight bread, the other group Children bought 22 bread, left a few bread? ”Follow the diversity of problems, there are three solutions: