When writing the title of the certificate, you will generally make obvious hints. Generally, you will say something like "Please prove AB//CD" and "AB = 3CD". Have you already told the answer and asked you to explain why it is established? That is, write down the reasons why it is right.

Writing solutions, generally at the beginning of each application problem and the beginning of solving equations, must be written.

If you have any questions, please let me know. I hope it helps you. ....