With the help of constructing matrix and applying elementary transfor-mation, this paper gives the simple and useful solution of the following three prob-lems in elementary number theory: greatest common factor and its times sum, in-definite equation, linear congruence expression series. 本文借助构造矩阵和施行初等变换,为初等数论中以下三个问题提供了简便实用的解法:最大公因数及其倍数和、不定方程,一次同余式组。
Distribution and Elementary Discussion of Application of Independent Uniform Random Sum Based on Invalidation Analysis 基于失效分析的独立均匀随机变量和的分布及应用初探
These sum problems are all difficult for using elementary method and analysis method, but we can easily solve these sum problems by using the probability method. 而这几个公式的求和问题不论是用初等方法或分析方法都是比较困难的,但用概率的方法却比较容易解决。
Elementary Analysis of Calculation of the Sum of Crime of Joint Corruption 浅析共同贪污犯罪数额的计算
The properties of Bell number in proper order are studied with the use of elementary method, some identities involving the sum of product of Bell number in proper order are obtained. 利用初等方法研究了有序贝尔数的性质,给出了关于有序贝尔数的一组恒等式。
Using elementary method, digital function sum and its 8-th power means value formula was supposed and induced, an exact calculation formula was obtained. 采用初等方法,对二进制数字之和函数的八次均值的计算进行了猜想、归纳,得出了精确的计算公式。
Then the four elementary principles of bridge aesthetics are sum up. 接着,在前人理论的基础上总结了桥梁美的几个基本原则。