1. Examine the questions carefully and understand the meaning of the questions. Before doing the problem, read the problem carefully, understand the meaning of the problem, and determine the idea of solving the problem.
2. Drawing helps to solve problems. Some topics need drawing to better understand and solve problems.
3. Formula to solve the problem. When solving some complicated problems, we can transform them into equations or inequalities and then solve them.
4. Pay attention to unit conversion. Pay attention to unit conversion when calculating to avoid mistakes.
5. Do more exercise. Doing more exercises can improve your math level and problem-solving ability.