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平面向量是高中数学教材的新增内容,它在教材中自成体系,独立成章,由于向量具有几何形式与代数形式的双重性,与代数、几何都有着密切的联系,使它成为数学多种知识的交汇点,联系多项内容的媒介,成为高中数学解题的一个有力工具,成为近几年高考数学命题的重点和热点之一.在2007年的全国及各省市有主命题的数学卷对平面向量的考查力度还是比较大的.在选择题、填空题、解答题中都有平面向量,分值在8～17分之
Plane vector is a new content of high school mathematics textbooks. It is self-contained and independent in teaching materials. Because vectors have the duality of geometric forms and algebraic forms, they are closely related to algebra and geometry, making it a variety of mathematics. The intersection of knowledge and the media that connects multiple contents have become a powerful tool for high school mathematics problem solving and has become one of the focal points and hotspots of mathematics propositions for college entrance examinations in recent years. There are mathematical propositions for major propositions in the country and provinces and cities in 2007. The strength of the examination of the plane vector is still relatively large. There are plane vectors in the multiple-choice, fill-in, and solution questions, with scores ranging from 8 to 17 points.