Generally, it is a combination of different unit knowledge points, such as trigonometric function combined with function application and derivative, such as Jiangsu navigation problem in 14.
No matter whether there are questions in the series in recent years, the scope of the college entrance examination is closely related to the outline, but it is impossible to get all the knowledge points required by the outline.
The last question, as a major focus of senior high school mathematics, is also a difficult question, which plays a great role in examining logical ability, calculating ability, problem-solving ability and even reasoning ability. It is suggested to pay attention to the order, which is a very important knowledge point. Otherwise, it won't take up quite a lot of class hours.