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绝对值是中学数学中的重要内容 ,含绝对值符号的问题在数学习题中占有一定的比例 ,这类问题的一般解法是依据绝对值的定义分类讨论去掉绝对值符号 ,进而转化为不含绝对值符号的问题来求解 .这样做解题过程冗长繁琐 ,本文拟介绍几种简解这类问题的常用策略 .1 紧扣概念挖掘隐含
Absolute value is an important content in middle school mathematics. The problem of absolute value symbols occupies a certain proportion in the number of learning problems. The general solution to such problems is to classify the absolute values according to the definitions of absolute values. Solve the problem of the value symbol. This process is lengthy and tedious. This article will introduce several common strategies to solve this type of problem.