近几年曲线围成封闭图形面积问题已经悄然成为高考中的一个热点问题,而且含高数背景的问题也时有出现,文化枚举数例来阐述处理此类问题的常见数学思想,以期对读者有所启发! In recent years, the problem of closed-graph area enclosed by curves has quietly become a hot issue in the college entrance examination, and problems with high backgrounds have also appeared from time to time. Some examples of cultural enumeration are used to elaborate common mathematical ideas for dealing with such issues. The reader is inspired!