思维定势是人们在日常生活和学习中形成的固有的模式或倾向,但由于它的存在,使得有时解题不完整,现举例加以分析,希望对同学们克服思维的定势有所帮助。例1已知直角三角形两边的长分别是3、4,求第三边长。分析:同学们受思维定势影响,认为3,4,5是一组常用勾股数,有两边是3,4,则? Mindset is an inherent pattern or tendency that people form in daily life and learning. However, because of its existence, it sometimes makes the problem incomplete. Now it is an example to analyze and hope to help students overcome the fixed set of thinking. In Example 1, the lengths of the two sides of the right-angled triangle are known as 3 and 4, respectively, and the length of the third side is known. Analysis: The students were affected by the thinking set, thinking that 3, 4, and 5 are a group of commonly used shares, and there are 3 and 4 on both sides.