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平面向量的引入为用代数方法处理几何问题提供了又一重要的工具和方法,因而现行高中教材和高考都突出了平面向量的工具性.作为工具,平面向量的性质以及运算(主要是向量的线性运算和向量的数量积)自然就成了高考的关注点.由于向量具有几何形式和代数形式的“双重身
The introduction of plane vectors provides another important tool and method for algebraic methods to deal with geometric problems. Therefore, the current high school textbooks and college entrance examinations have highlighted the instrumentalities of plane vectors. As a tool, the properties of plane vectors and the operations (mainly vectorial The number of linear operations and the vector product) naturally became the focus of the college entrance examination due to the vector has a geometric form and algebraic form of ”double body