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三位数除以两位数怎么给孩子讲解
更新时间: 2021-01-30 18:58:25  

1参考两位数除以一位数的教法,让孩子明白除数是二位数,那么试商的时候被除数也要用前两位来试商(一位除不够),当除数大于被除数的前两位时,就要用三位来除,道理和之前的简单除法是一样的,熟能生巧,要让孩子多练习几道例题。

关键词: 位数 除以 怎么 孩子 讲解

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