原文刊登于1979年第5期PI．什么叫做“举一反三”？有关词典上这样解释：“从懂得一点，类推而知道其他许多事情”．在数学教学中，教师如能通过课堂教学和课后辅导，逐步培养学生思考问题、灵活运用所学知识，掌握举一反三的能力，无疑是十分有益的．要培养学生举一反三的能力 The original article was published in the 5th issue of 1979 PI. What is called “inferiority”? The dictionary explains this way: “From knowing a bit, analogy knows many other things.” In mathematics teaching, if teachers can gradually train students to think through problems, use the learned knowledge flexibly, and master the ability to learn one thing from the other through classroom teaching and after-class tutoring, it is undoubtedly very beneficial. To train students’ ability to perform inferences