2.2向量的线性运算课件-2023-2024学年高二上学期高教版(2021)中职数学拓展模块一上册

高教版 拓展模块一... text has been truncated due to evaluation version limitation. 2.2 向量的线性... text has been truncated due to evaluation version limitation. 年 班 二 三 CONTE... text has been truncated due to evaluation version limitation. 向量的加法... text has been truncated due to evaluation version limitation. A 向量的减法... text has been truncated due to evaluation version limitation. B 向量的数乘... text has been truncated due to evaluation version limitation. C 向量的加法... text has been truncated due to evaluation version limitation. 问题情景 小明打算自... text has been truncated due to evaluation version limitation.C村，现有两... text has been truncated due to evaluation version limitation. 方案一：从A村出发，经B村到达C村。 方案二：从A村出发直接... text has been truncated due to evaluation version limitation.C村。 问：两次位... text has been truncated due to evaluation version limitation. 探索新知 ... text has been truncated due to evaluation version limitation.不平行的非零向量a、b,在平面上任... text has been truncated due to evaluation version limitation.A,依次作 ... text has been truncated due to evaluation version limitation.,得到一个△ABC,称向量 ... text has been truncated due to evaluation version limitation.a与向量b的和,也称 ... text has been truncated due to evaluation version limitation.向量a与向量b的和向量,记作a+b,如图所示. 即 三角形法则 平行时 ？？？ 几何意义：... text has been truncated due to evaluation version limitation.,由起点指向... text has been truncated due to evaluation version limitation.“首尾相连，... text has been truncated due to evaluation version limitation.” 探究思考 交换律 结合律 例题精剖 如图所示,在⏥ABCD中,用向量 ... text has been truncated due to evaluation version limitation. 解： 平行四边形... text has been truncated due to evaluation version limitation. 例题精剖 已知向量a、b,如图(1)所示,试分别用向... text has been truncated due to evaluation version limitation.a+b. (1)运用三角形法则.如图(2)所示,在平面内任... text has been truncated due to evaluation version limitation. 解： (2)运用平行四边形法则.如图(3)所示,在平面内任... text has been truncated due to evaluation version limitation. 连