This topic examines the application of one-dimensional linear resolution function, one-dimensional linear equation, a linear inequality, classified discussion and scheme design. The key to solve this problem is to find the analytical expression of the function. The title and answer of this question are very long, and it is not difficult to put it at the end. It's really the finale.

This topic has been a great test for our endurance, mentality and seriousness since the end of the exam. Finally, the time is short and the topic is still so long. Here are the answers/exercises/math /799547. The circular road in our district is a square ABCD with a side length of 800 meters, as shown in Figure 1 and Figure 2. At present, there are two kinds of tour buses, 1 and No.2, which depart from Exit A and Scenic Area C respectively, and 1 is clockwise.