AbstractMathematical models are often used to solve problems in the economy.This paperquantifies the abstract risks and benefits with expectation and variance according to theMarko...

if it is not.This topic expands to complex numbers through the number field,sorts outthe changes in the properties of some elementary functions,and compares the differencesand conn...

AbstractThis paper mainly analyzes and studies the geometry problems in middleschools from the perspective of the core accomplishment of mathematics.First of all,it introduces the ...

AbstractRational application of structural method and reverse thinking to solvemathematical problems often results in twice the result with half the effort.Combining the constructi...

The Research in the moral education value of the history of mathematicsAbstract The history of mathematics can be said to be a science that specializes in theoccurrence,background,...

AbstractAs a special subject,mathematics is characterized by its high abstractness,rigorous logic and wide application.The relationship between 'number'and 'form',the two major obj...

目录1引言.......42数形结合思想在中学数学解题中的应用.·：2.1将代数问题几何化...…分2.1.1利用二次函数图像解决最值问题52.1.2利用几何图形证明数学公式2.1.3利用几何图形求解集合问题..·6...

AbstractThere are a lot of mathematical problems in marketing.Studying andsummarizing these mathematical problems and the mathematical knowledge used tosolve them can make us reali...

AbstractCauchy-Schwartz Inequality is one of the most important inequalities in mathematicalanalysis,which is widely used in many different fields.In this paper,several commonexpre...

The application of the combination of number and shape in solving problemsAbstract Mathematics is a science that studies the relationship between numbers and spatial forms.The idea...