高考中的四点共圆问题

摘要

＂ Round total of four points ＂is a junior high school mathematics, as a knowledge point of entrance test, and fully reflects the convergence of high and junior high school knowledge of the position in the entrance circle. College entrance examination this year, the grounds （12）, reason （21） questions focused on examining the ＂four points of circle＂ of knowledge, the author of the College Entrance Examination by a further expression of the resolution ＂a given problem＂ , ＂a question to permit＂thinking in the application of mathematics.%“四点共圆”是初中数学知识，高考作为一个知识点考查，充分体现高、初中知识的衔接以及圆在高考中的地位。今年高考的理（12）、理（21）题重点考查了“四点共圆”的知识，笔者通过对高考试题的剖析进一步表达“一题多解”、“一题多证”的思想在数学中的应用。