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二年级求余数简便方法
更新时间： 2021-05-09 23:31:28  

1、拿东西数一数，分一分，逐步建立有余数除法的概念。

2、多做在括号里最大能填几的练习。如（ ）*3

关键词： 年级 余数 简便 方法

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