近年来在高考解答题中,常渗透不等式证明的内容,而不等式的证明是高中数学的一个难点,通过它,可以考察学生逻辑思维能力以及分析问题和解决问题的能力.本文以高考试题为例谈谈与自然数有关的不等式的证明方法.一、裂项相消法例1(2015年湖北卷)已知数列{a_n}的 In recent years, college entrance examination in the answer questions, often infiltration of inequalities to prove the content, and inequality is proved to be a difficult high school mathematics, through which you can examine the ability of students’ logical thinking and problem analysis and problem solving. Talk about the Proof Method of Inequalities Related to Natural Numbers I. Crack Elimination Law 1 (2015 in Hubei Province) We know the sequence {a_n}