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近几年来 ,国内外各级各类数学竞赛题中绝对值问题屡屡出现 ,尤其是绝对值不等式已成为数学问题的热点 .本文举例谈谈绝对值问题的解法技巧 .1 妙“去”许多绝对值问题 ,常常根据解题的需要 ,去掉题目中的绝对值符号 ,以便进一步化简求解 .例 1 ( 1998年河南省暨重庆市高中
In recent years, the problem of absolute value in various types of mathematical competitions at home and abroad has repeatedly appeared, and especially the absolute value inequality has become a hot topic of mathematics. This article gives an example of the solution to the absolute value problem. 1 wonderful “go” many absolute The value problem is often based on the need to solve the problem, removing the absolute value symbol in the title to further simplify the solution. Example 1 (1998 Henan Province and Chongqing High School