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关于平面解析几何中的范围问题在诸多文章中都有不同的见解 ,但根据个人的教学实践 ,无论什么解法至少要用到下列思想或方法 :由于解析几何是用代数的方法研究几何问题 ,所以方程的思想、函数的思想经常用到 ,特别要明确目标是将问题转化为求函数的值域或最值 .又因为解析几何?
The problem of range in plane analytic geometry has different opinions in many articles, but according to individual teaching practice, no matter what the solution, at least the following ideas or methods are used: Since analytic geometry uses algebraic methods to study geometric problems, The idea of the equation and the idea of the function are often used. In particular, it must be clear that the goal is to convert the problem into the domain or value of the function. Also because of analytical geometry?