怎样避免忽略曲线方程中变量的范围安徽省潜山中学罗志强求曲线的方程是中学数学内容的一大重点，在解题中讨论所求曲线方程的变量范围学生更难掌握，往往易忽略或出错．本文通过几例，探讨怎样分析和求解曲线方程中变量的范围．一、紧扣题目条件例１已知一条曲线在Ｘ轴上... How to Avoid Ignoring the Range of Variables in the Curve Equation The equation of the Luo Zhiqiang curve in the Qianshan Middle School in Anhui Province is a major focus of mathematics content in middle schools. It is more difficult to grasp, and often overlooked, the variable range of the curvilinear equations discussed in the problem solving. Error. Through several examples, this article discusses how to analyze and solve the range of variables in the curve equation. First, close to the problem conditions Example 1 Known a curve on the X axis ...