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数学解题中的以追求进策略方先进（湖北省汉川县垌塚中心学校４３２３０９）著名数学家华罗庚曾经指出；要善于退，足够地退，退到最原始而又不失去重要性的地方是学好数学的一个诀窍．这里所云的就是一种重要的思维策略──以退求进．我们在解题的思维进程中，如果遇到了...
The famous mathematician Hua Luogeng, who is famous for his pursuit of advanced strategy in the mathematical problem solving (432309 in Hanchuan County, Hubei Province), pointed out that he must be good at retreat, retreat enough, and retreat to the most original place without losing importance. It is a know-how to learn mathematics. What is clouding here is an important thinking strategy--taking back and forth. When we solve the problem of thinking, if we come across...