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AbstractThe question of the degree of development of the consumer market in rural areasof our country is a matter of economic concern,which is worthy of discussion and study for a ...

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

目录言.11.一元函数的极值.21.1极值定义.21.2必要条件…21.3充分条件….22.二元函数的极值.。.42.1无条件极值….42.2条件极值.62.2.1利用代入消元求取极值.72.2.2利用拉格朗日乘数法求取极值..8...

中学数学课堂教学设计优化AbstractInstructional design is that teachers analyze and make decisions in advance on theprocess of classroom teaching activities.Teachers'different unders...

same time,with the support of Internet technology,the education field and the Internet are deeplyintegrated to accelerate the innovation and Reform in the field of education in Chi...

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...

AbstractThe difference teaching is undoubtedly the most effective way to improve thelevel of education and teaching,to promote the development of students'personalityand to stimula...

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...

目录摘要……2Abstract....…21引言…2微分法证明不等式…042.1运用函数单调性证明不等式…52.2运用拉格朗日中值定理证明不等式…92.3运用函数凹凸性证明不等式…122.4运用柯西中值定理证明不等...