目录引言…1问题提出…2评选方法…3基于层次分析法评选三好学生…3.1建立评选指标体系…3.2字母意义…3.3构建模型**43.3.1构造判断矩阵…3.3.2计算各层指标单排序…3.3.3各要素所占比例及权重系...

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AbstractUnivariate primary inequality and univariate primary inequality group is a keyknowledge that junior high school students must understand and master,which playsan important ...

AbstractAfter the gradual popularization of quality-oriented education,the importance ofintegrating the history of mathematics into the teaching of mathematics has beenconstantly i...

AbstractCongruence is the most important and fundamental method in the two triangleproblems.In addition,in junior high geometry,the study of congruent triangles is akey step in the...

AbstractFirst of all,this article plays a positive role in teaching through 'RecentDevelopment Zone',and explains that if the 'Recent Development Zone'is appliedto junior high scho...

目录引言…1全概率公式…31.1完备事件组……31.2全概率公式…31.3全概率公式的内涵……31.3.1数学思想……31.3.2运算本质…41.3.3“全”的含义……41.3.4运用关键…41.3.5意义价值…51.4全概率...

AbstractProbability and statistics is an important part of high school mathematics,whichis inseparable from real life in this information age.Therefore,in the teaching processof hi...

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...

目录1引言.2相关概念……12.1抽样调查。。。。。。。。。。。。2.2抽样分布…2.3区间估计..........33区间估计在抽样调查中的应用33.1一个总体参数的区间估计33.1.1总体均值的区间估计.43.1.2总...