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数学是一门严谨的科学,一个数学方法的给出应该符合学生的认知规律,唯如此,学生的思维才能更加深刻,更富有创造性。笔者拜读了吴老师的《添“0”法的运用》~([1])一文,受益匪浅。文章阐述了添“0”法在不等式(主要是基本不等式)中的应用可谓美轮美奂,给人以美的享受。但当学生对添“0”法是怎么想到的表示质疑时,吴老师并没有给出正面的回答,仅表示自己凭的是一种直
Mathematics is a rigorous science, a mathematical method should be given to meet the cognitive rules of students, the only way the students’ thinking can be more profound and more creative. I read Wu’s “Tim” 0 “law of use” ~ ([1]) article, benefited a lot. The article states that the application of Tim ’s 0 ’ s method in inequality (mainly basic inequality) can be said to be magnificent and enjoyable to the United States. However, when students expressed doubts about how the law of Tim “0” came into being, Ms. Wu did not give a positive answer, saying only that she is a straight