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有理数的运算是初中代数运算中的基础运算,它有一定规律和技巧.只要认真分析和研究题目的内在特征,并根据这些特征灵活巧妙地运用运算法则、运算定律和有针对性地运用一定的方法和技巧,不但可以使运算简捷、准确,而且能使我们的思维能力得到提高.今介绍十种运算技巧如下,供参考.一、巧用运算律
Rational number arithmetic is the basic arithmetic in junior high school algebra operation, it has certain rules and skills.As long as the earnestly analyzes and researches the intrinsic characteristics of the subject, and according to these characteristics, it flexibly and skillfully uses the algorithm, the operation law and the targeted use of a certain Methods and techniques, not only can make the operation simple and accurate, but also make our thinking ability improved. Now introduce ten computing techniques as follows, for reference.