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竖式除法怎么讲解

更新时间: 2021-01-26 15:47:40     

除法用竖式计算时,从最高位开始除起,如:42就从最高位十位4开始除起;若除不了,如:4不能除以7,那么就用最高位和下一位合成一个数来除,直到能除以除数为止;如:42除7中4不能除7,就把4和2合成一个数42来除7,商为6。

关键词: 除法 怎么 讲解

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