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课本乃高考之源,我们在复习时应该注意开发教材,研究教材,挖掘教材中的例题和习题的价值与功能,才能更充分地发挥教材的作用.事实上,高考中的许多数学问题都会在课本中找到原型和出处.本文通过课本的一道习题进行分析,剖析高考试题与课本例、习题的依托关系,希望对同学们的复习起到抛砖引玉的作用.题目证明:以O为起点的三个向量a,b,c的终点4,B,C在同一直线上的
Textbook is the source of college entrance examination, we should pay attention to the development of teaching materials, research materials, mining examples and exercises in the textbook value and function, in order to more fully play the role of teaching materials.In fact, the college entrance examination in many mathematical problems will Textbooks to find the prototype and the source.This article through a textbook analysis of the exercises, analysis of the college entrance examination papers and textbooks, exercises rely on the relationship between the hope that students can play a valuable role in reviewing .Project shows that: O as the starting point of the three The end points 4, B, C of vectors a, b, c are on the same line