The algebra and geometry comprehensive questions in the senior high school entrance examination mathematics are generally divided into three questions. The first question is generally simple, and it is enough to solve or prove it directly. If the second question is a guess, it generally corresponds to the first question, of course, the proof method is similar to the first question; The third question is a difficult one and a high-level one. At this time, it is necessary to stand at a certain height to examine the questions and synthesize the relevant knowledge learned to find the breakthrough point.