1. Reorganization of wrong questions in a math test paper, you can carefully review the wrong questions in the test paper, mark the wrong questions you don't know yet, and leave enough blank areas on the test paper for later revision or rewriting.

2. Leave enough blank on the test paper for later revision or rewriting. According to the marking results, you can choose to directly modify the wrong answers on the test paper, or rewrite the correct answers in the blanks left.