联想,是从一个问题到另一个问题的心理活动,是由此及彼的思维方法,是接通解题思维的桥梁.在数学解题中往往可以通过联想,找出相关的原理、方法、结论或命题,再灵活使用这些知识,则能达到准确简捷的解题目的.下面举例说明. Lenovo is a mental activity from one problem to another. It is a method of thinking which is the result of it. It is a bridge that connects the problem-solving thinking. In mathematics problem solving, it is often possible to find relevant principles and methods through association. Conclusions or propositions, and then use these knowledge flexibly, can achieve accurate and simple solution to the problem. The following examples illustrate.