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恒成立问题及其求解方法陈世明（湖南省东安一中４２５９００）“恒成立”问题是中学数学中的一个重要内容，其常见的题型有：与自然数有关的等式恒成立问题，不等式恒成立问题及曲线恒过定点等．本文给出上述问题的若干求解方法．一、与自然数有关的等式恒成立问题．１．...
Constant establishment problem and its solution method Chen Shiming (Dong’an No. 425900, Hunan Province) The issue of “constant establishment” is an important part of middle school mathematics. Its common questions are: the establishment of equality equations related to natural numbers, and the establishment of inequality constants. Problems and curves persist over fixed points. This article gives several solutions to the above problems. I. The establishment of equality equations related to natural numbers. 1. ...