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考点阐释1.理解向量的概念,掌握向量的几何表示,了解共线向量的概念.2.掌握向量的加法和减法.3.掌握实数与向量的积,理解两个向量共线的充要条件.4.了解平面向量的基本定理,理
Test site interpretation 1. Understand the concept of vector to master the vector representation of the geometry to understand the concept of collinear vector 2. Grasp the vector addition and subtraction 3. Master the product of the real number and vector to understand the two vectors collinearity necessary and sufficient conditions .4. Understand the basic theorem of plane vectors