“待定系数法”是初中数学中的一种重要方法,它在高中数学中应用仍然十分广泛,且同样重要,在高中数学中,“待定系数法”常用于以下几方面: “The undetermined coefficient method” is an important method in junior high school mathematics. It is still widely used in high school mathematics and is equally important. In high school mathematics, the “pending coefficient method” is often used in the following aspects: