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向量具有代数和几何的双重身份,是数形结合的重要体现。正因如此,使它成为了中学数学知识的一个交汇点,也成为高考命题的热点。它在高中课时(12节课)所占比例为3.3%,在
The vector has the dual identity of algebra and geometry and is an important embodiment of the combination of numbers and shapes. Because of this, it has become a meeting point for middle school mathematics knowledge, and has become a hot spot for college entrance examination propositions. It has a 3.3% share of high school class (12 lessons).