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...

Examples of mathematical inductionAbstract As one of the important contents of high school mathematics,mathematicalinduction plays an important role in training students'logical th...

Teaching research of indefinite equation in Elementary MathematicsAbstract Indefinite equation is widely used in middle school mathematics,and it is animportant part of middle scho...

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...

AbstractAs one of the ancient villages in China,the ancient village of Yunshui balladscontains rich historical and cultural heritage and carries the records of traditionalcivilizat...

AbstractProbability is an important part of junior high school mathematics curriculum,and it is also one of the key knowledge that the curriculum requires students tomaster.The pre...

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AbstractThis paper takes the test questions related to angle transformation formula in the newcurriculum standard national examination paper (mathematics for science)from 2009 to20...

目录引言...。11无穷乘积收敛的定义与性质..41.1无穷乘积的基本概念..1.2无穷乘积的性质.…2无穷乘积的审敛法.……122.1无穷乘积收敛性的一般判别法…122.2无穷乘积与无穷级数的关系.143常用函...

AbstractAs an important part of reverse thinking,counterexample plays an indispensablerole in mathematics.When we want to prove some definitions and theorems,teachersshould use cou...