在中考数学命题中,命题者为了考查同学们对所掌握知识的灵活运用情况,常常设置种种“陷阱”.同学们解题时如果审题不严、思考不周全,就会误人陷阱.本文对求解中考陷阱题的一些方法进行归纳总结,供同学们参考.一、理解概念,越过陷阱例1若二次根式和是同类二次根式,则ab的值是______.解:易知a+6=2,故 In the proposition of mathematics in the senior high school entrance examination, propositionaries often set various “traps” in order to examine the students’ flexible use of the knowledge they possessed. If the students try to solve the problem, if they are not strict in examination and thinking is not thorough, they will fall into the trap of mistakes. This article summarizes some of the methods used to solve the entrance exam problem for students to refer to. First, to understand the concept, to cross the pitfall. If the secondary root is the same kind of secondary root, the value of ab is ______. Solution: Easy to know a+6=2, so