数学是一门严谨的学科,数学大师华罗庚在《学习和研究数学的一些体会》中提到:“我们不仅在搞科学研究时需要严谨,就是平时练兵也都要从严、从难……”我在平时整理错题集的过程中,发现有些问题极其容易出错,故整理成文,供同学们参考.一、问题与解答 Mathematics is a rigorous subject, and Hua Luogeng, a math guru, mentions in his “Some Experiences in Studying and Studying Mathematics:” We need to be rigorous not only in conducting scientific research, but also in exercising military discipline at ordinary times. "I usually organize the wrong set of questions in the process, I found that some of the problems are extremely easy to make mistakes, so finishing the writing for the students reference.