确定不等式中的参数范围,是高中数学教学中的难点,也是高考的重点、热点.这类问题常常使学生在学习中感到束手无策,即使能解,过程也十分繁锁,或解而不全.针对这种情况,本文给出一些基本解法,加以探讨.一、分离参数法分离参数法就是通过不等式的同解变形把参数分离出来,转化为形如a≤f(x)或a≥ Determining the range of parameters in inequality is a difficult point in high school mathematics teaching and it is also a focus and hotspot of college entrance examination. Such problems often make students feel helpless in their studies. Even if they can understand, the process is very complicated and incomplete. In this case, this paper gives some basic solutions and discusses them. First, the separation parameter method The separation parameter method separates the parameters through the same solution deformation of inequalities and transforms them into shapes such as a≤f(x) or a≥