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在有理数的运算中,有很多简便方法,其中不少方法已被同学们掌握,还有很多新的解法有待我们去发现.下面,介绍有理数简便运算中的一些新亮点,供同学们学习时参考.一、转化在小数乘除运算中,可将小数(或分数)转化为分数(或小数),使解题思路清晰、过程简单,便于乘除.
There are many simple methods in the operation of rational numbers, many of which have been mastered by the students, there are many new solutions to be discovered by us. Here are some of the new numbers in the rational number of simple operations for students to learn reference First, the conversion In the decimal multiplication and division, the decimal (or fractional) can be converted to fractional (or decimal), so that the problem-solving ideas clear, the process is simple and easy to multiply and divide.