在含参数的集合问题中,求参数的值是常见的题型之一.由于这类集合含有参数,从而使题目的难度增大,成为同学们学习中的一个薄弱环节.要顺利解答此类题目,一方面需要把集合知识与其他代数知识有机结合起来求解参数,另一方面需做好参数值的检验. In the problem of collections with parameters, finding the value of a parameter is one of the common types of questions. Since such a set contains parameters, the difficulty of the subject increases and becomes a weak link in the students’ learning. To successfully answer such questions The title, on the one hand, needs to combine set knowledge and other algebraic knowledge organically to solve the parameters, on the other hand, it needs to do a good inspection of the parameter values.