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数学是培养学生逻辑思维的一门重要学科,在解决数学问题时需要运用多种数学思想,其中人们大多习惯通过正向的思维方式解决问题,然而在有些问题上正向思维不能很好地解决问题或者受阻时,巧妙运用逆向思维来分析解决问题就显得尤为重要,很多受阻问题也就迎刃而解。本文就针对逆向思维来解决数学问题做微探。一、从问题的结论着手,运用反证法推理问题条件的逆向思维日常做题中常会碰到运用常规方法难以找到问题突破点的一类题目,这时可以运用一种非常规的逆向思维方
Mathematics is an important subject that fosters students’ logical thinking. When solving mathematical problems, mathematics needs to be applied. Many people are accustomed to solving problems through positive thinking. However, on some issues, positive thinking can not be solved well Problem or obstruction, the clever use of reverse thinking to analyze and solve the problem is particularly important, a lot of blocked problems will be solved. This paper probes into the reverse thinking to solve mathematical problems. First, starting from the conclusion of the problem, the use of reverse law to reason about the conditions of the reverse thinking routine problems often encounter the use of conventional methods is difficult to find a breakthrough point of a class of problems, then you can use an unconventional counter-thinking side