解题分析——解法改进的感知陕西师范大学数学系罗增儒解一道题忘一道题，或在同一思维层次上重复做多道例题，并不能获得解题能力的提高．题目一旦获解，就立刻产生感情上的满足，从而导致心理封闭，忽视解题后的再思考，恰好错过了提高的机会，无异于“入宝山而空返”．... Problem-solving analysis - the solution to the improvement of perceptions The mathematics department of Shaanxi Normal University, Luo Zeng-ru, solves a problem by forgetting a problem, or repeats multiple examples at the same level of thinking, and does not gain the ability to solve problems. Once the title has been solved, it immediately produces emotional satisfaction, which leads to psychological closure, ignoring re-thinking after solving the problem, just missed the opportunity for improvement, and tantamount to “into the Baoshan and empty back.” ...