有关于方程问题是初中代数的重点内容,因为它涉及的内容几乎涵盖了初中数学的所有部分,其中富含很多数学思维和方法,技能技巧,而且方法多变,所以利于考查学生的能力和智力,在初中数学竞赛中占有很大的比例.近几年来,初中数学竞赛中常常出现含有参数的且有整数根的一元二次问题,下面选取一些初中竞赛 The problem of equations is the key content of junior high school algebra because it covers almost all parts of junior high school mathematics, which is rich in many mathematical thinking and methods, skills and skills, and the method is varied, so help to examine the students’ abilities and intelligence , Accounting for a large proportion of junior high school mathematics competition in recent years, junior high school mathematics competition often appear with parameters and integer root quadratic problems, the following select some junior high school competition