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带余除法与同余对循环小数的一个应用
An Application of the Division Algorithm and Congruence to the Periodic Decimal
【摘要】 利用同余及带余除法解决:小数展开式最简单的分数;对任意正整数n,不用直接做小数除法,1/n的小数展开式循环节的长度的上限及相关问题.
【Abstract】 In this paper, by means of the division algorithm and congruence, firstly we discuss the fractions with the simplest decimal expansions; secondly, without having to carry out the actual calculation of the decimal, we discuss the length of the repeating part of the periodic decimal of 1/n and come to the corresponding conclusions.
【关键词】 带余除法;
同余;
循环小数;
循环节;
【Key words】 <Keyword>division algorithm; congruence; periodic decimal; the repeating part of the periodic decimal;
【Key words】 <Keyword>division algorithm; congruence; periodic decimal; the repeating part of the periodic decimal;
- 【文献出处】 广东教育学院学报 ,Journal of Guangdong Education Institute , 编辑部邮箱 ,2005年03期
- 【分类号】O156.1
- 【下载频次】346