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百度显示:“点”是一个多义词,2010年曾被当做四川省高考作文题.基本含义是指细小的痕迹或物体,字义解释共有17种之多.在现代数学语言中,任何集合的元素都叫作“点”.本文的宗旨是要阐述点与点、点与直线、直线与直线的交点问题.一、活学巧用两点间的距离公式两点之间的距离公式是我们学习的重点内容,要求理解两点之间的距离公式并能灵活巧妙地运用距离公式解决问题.1.求长度,切记两点之间的距离公式与点的顺序无关
Baidu Display: “Dot ” is a polysemous word, was used as the essay topic in Sichuan Province college entrance examination in 2010. The basic meaning refers to small traces or objects, a total of 17 kinds of word meaning to explain in modern mathematical language, any set of The elements are called “point ” The purpose of this article is to explain the point and point, point and straight line, straight line and straight line intersection problem.First, learn to use the distance between two points formula distance formula between two points Is the focus of our study, requires understanding of the distance between two formulas and flexible use of distance formula to solve the problem .1 seeking length, remember that the distance between the two formulas has nothing to do with the order of points