在高三复习中,圆锥曲线部分的解答题是让教师和学生都比较头疼的.因为在测试中,它并不属于真正的难题,本应该通过复习能取得不错的成绩.但事实上,教师劳心费力,收效却甚微.学生一旦遇到综合性题目,往往头绪万千,深陷其中,而不能自拔,最后无功而返.那么,如何才能让学生尽快理清思路,从“迷雾”中走出?本文结合高三复习课中一道例题的化简方 In the third year of high school review, the conic part of the answer is for teachers and students are more headache because in the test, it does not belong to the real problem, this should be able to get good results through the review, but in fact, Hard work, the effect is very small.Once the students encounter a comprehensive topic, often with a multitude of thoughts, deep into them, and unable to extricate themselves, and finally without success.Then, how can we let students sort out ideas as soon as possible, from the "Out of the middle of this article combined with high school review of a case of simplification