The minus involves the concept, the number axis, the absolute value, the rational number operation and so on.
负数涉及到从概念到数轴、绝对值、有理数运算等等一系列知识。
This paper presents a simple algorithm of the rational number and location of the removing - barrier Stations in a road net.
为在一个道路交通网内确定建立清障站的合理个数和站址的选择，本文提供了一种简明算法。
This paper utilizes the Reciprocal Law Two Times to prove that the rational number of a kind of form is not the integer, and proves that the number of another kind of prime is limitless.
利用二次互反定律证明了某类形式的有理数不是整数，并且证明了某类形式的素数的个数是无限的。
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