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1988年高考数学最后一题涉及两二次曲线有四个交点的条件,关于两二次曲线相互关系的试题,近几年来各类高考和复习资料中常出现,但错误解法至今未见纠正。不少文章介
The final question of the mathematics of college entrance examination in 1988 related to the condition of two intersections of the quadratic curve. Questions on the relationship between the two conics have appeared frequently in various college entrance examinations and review materials in recent years, but the wrong solutions have not been corrected so far. Many articles