The application of proofs by contradiction in middle school mathematicsAbstract As a common proof method in mathematics,proofs by contradiction has been widelyapplied in dealing wi...

目录3引言.11求解数列极限的方法…21.1迫敛性（夹逼准则）21.2单调有界定理.41.3公式1im1+=e的应用..514利用定积分的定义.............................1.5利用级数收敛的必要条件求解函数极限....

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Abstractthe society is uninterrupted advancement and development,the economic powerand rise of the nation increase improvement of people's revenue.Therefore,people'spursuit of high...

佳木斯大学本科毕业论文（设计）AbstractNumber theory is a mathematical discipline that studies the nature of numbers.It is mainlyused in data coding and cryptography.Elementary numb...

问题、制定解决问题的方案、自己寻找甚至创造方法去处理数据、从数据挖掘中发现新的结论等都是发展学生创新意识地良好素材。”冈刘久成通过对小学统计教学60年的发展研究，进一步认为，“发展数...

山东交通学院毕业论文AbstractAs a kind of transaction contract,commission contract exists widely in modern society.However,in practice,there is often such a phenomenon that the part...

本科论文value are given.It is pointed out that enterprises can improve the recruitment system byestablishing professional talent teams,optimizing the recruitment process through sc...

本科论文AbstractReal estate is an important part of China's economic development.It can not onlyincrease the country's fiscal revenue,but also enable China's economic level to grow...

本科论文AbstractWith speedy economic evolution and boosting the living level of the people,people'sdemand for real estate keeps increasing,which makes the scale of real estate ente...