1. Read the topic carefully, make sure that you fully understand the requirements and conditions of the topic before you start answering questions, and pay attention to keywords and restrictions to avoid mistakes in the calculation process.

2. List the required steps, and decompose the problem into smaller steps for better understanding and solution, which helps to avoid missing or confusing steps in the calculation process.

3. Using appropriate mathematical methods, according to the requirements of the topic, choosing appropriate mathematical methods to solve problems may require the use of geometric theorems and formulas for calculation.

4. Calculate carefully. When calculating, be careful and carefully check every step of the calculation. When using a calculator or other tools, please make sure that the input is correct and check the results carefully.

5, repeated practice, through repeated practice of similar problems, improve the accuracy and speed of solving problems, practice can help familiar with common problem-solving methods and skills.