On the application of Variant Teaching in junior middle school mathematicsteachingAbstract Variant teaching has a long history in China,and it is a distinctive teaching feature ofm...

AbstractWith the development of the times,the progress of science and technology,moreand more listed companies continue to emerge,to judge whether a listed company isgood or bad,ma...

摘要在数学中，不等式的证明与应用是重点考察内容，贯穿整个数学的学习。其中的几个重要不等式，如基本不等式、均值不等式、排序不等式和柯西不等式，均可实现推导证明与应用。本文主要就以上几...

AbstractThe primary function is very important,in junior middle school mathematics.It isthe opening chapter of the whole function field,so the mastery of the primaryfunction direct...

Pythagorean theorem is a shining pearl in geometry,which is called 'the basis of geometrystone'.For the teaching of Pythagorean theorem,teachers should pay attention to the inquiry...

The Analysis of the Testing Points of Mathematics in the National TeacherQualification Examination (Senior School)Abstract The function of the teacher qualification examination is ...

An Experimental Study on Mathematics Autonomous Learningin Yangbei Middle SchoolAbstract This article mainly studies junior high school mathematics autonomous learning.First,the si...

On the innovation of mathematics teaching method in junior middleschool-Taking the Henan experimental middle school as an exampleAbstract Under the background of the new curriculum...

AbstractThe combination of numbers and shapes refers to the idea of solving mathematicalproblems through the mutual transformation of numbers and shapes according to thecorrespondi...

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...