| 对自然数9几个特殊运算性质的探讨 |
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| 引用本文： | 杨彬.对自然数9几个特殊运算性质的探讨[J].安顺学院学报,2005(2). |
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| 作者姓名： | 杨彬 |
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| 作者单位： | 安顺市民族师范学校 贵州镇宁561200 |
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| 摘 要： | 在人类历史,尤其是中国的历史上,自然数9被赋予了许多神秘的内涵。该文从自然数9与其它自然数运算的结果出发作进一步分析,推导出有关自然数9的三个定理及其五个推论,深入探讨9在四则运算中体现出的特殊性质,并对这些性质进行了初步的应用。
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| 关 键 词： | 自然数 十进制位置值原则 位加值 基本位加值 循环节 循环小数 |
A Study About Several Special Operational Properties |
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| Yang Bin.A Study About Several Special Operational Properties[J].Journal of Anshun College,2005(2). |
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| Authors: | Yang Bin |
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| Abstract: | In the history,especially in the history of China,The natural number"9"has been given a lot of mysterious connotations.In this essay,we further analyes the natural number"9"and the other natural numbers'operating results and deduce three theorems and five inferences about the natural number"9",then we deeply probe into the special properties which the natural number"9"embodies in the four fundamental operational rules,and first use these special properties. |
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| Keywords: | natural number Principle of decimal scale value value of the addition between the place figures essential value of the addition between the place figures recurring period recurring decimal |
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