AbstractFirst of all,this article plays a positive role in teaching through 'RecentDevelopment Zone',and explains that if the 'Recent Development Zone'is appliedto junior high scho...

AbstractThe number of old people in rural areas is increasing every year,and the largenumber of old people makes the retirement problem of farmers increasingly serious.Establishing...

目录引言..1问题的提出1.1研究背景、意义1.1.1研究背景1.1.2研究意义1.2国内外研究现状.…1.2.1国内研究现状1.2.2国外研究现状2思维与数学思维....................2.1相关概念的界定2.1.1思维2...

目录引言11.求解一个多元函数的条件极值…2.函数极值的相关概念……52.1函数极值的概述……52.1.1一元函数的极值…2.1.2二元函数的极值……52.1.3多元函数的极值…53.二元函数极值点的判定…3.1...

目录引言.1预备知识....A..12行列式的一般解法2.1三角化法...2.2特征值法72.3代数余子式法3行列式的特殊解法93.1加边法....3.2拆分法..113.3递推法..。133.4数学归纳法143.5函数法..143.6打洞原...

AbstractAt present,China's small and micro-enterprises are in a high-speed developmentzone,but the funds of small and micro-enterprises have become a developmentdilemma.At this tim...

AbstractThe ability to put forward questions is a necessary condition to cultivate innovativetalents who are in line with the development of the times.Learning to put forward quest...

The application of differential equation in mathematics of postgraduateentrance examinationAbstractThe theory of ordinary differential equation has been established for more than 3...

AbstractDifferential mean value theorem is a general term of a series of mean value theorems.Itis a powerful tool for studying functions and can help us to analyze and study the pr...

AbstractThe rapid development of China's economy is closely related tomacroeconomic policy.A country's macroeconomy is largely dependent on adjustmentand control of monetary policy...