摘要
中学数学中三线八角中截线其实是非常重要的,很多时候学生往往只重视两条平行的直线而忽视了截线的重要作用。本文围绕中学数学中的截线作用做了相关研究。
Secondary mathematics octagonal in cross-sectional three-wire line is very important,but students are often only concerned about two parallel lines while ignoring the important role of cut-off line.This paper focuses on cut-off line and does some research.
出处
《科教文汇》
2012年第6期97-98,共2页
Journal of Science and Education
关键词
截线
平行线
数学
cut-off lines
parallel lines
mathematics
