论文部分内容阅读
进行分式运算时，要根据分式结构上的特点．采取灵活的方法，这样运算往往就比较简便．现将常见的几种运算技巧总结如下．一、有选择地结合下列各分式的计算，如一开始就通分．则不胜其烦，但如有选择地将某些分式结合在一起进行计算就比较简捷．例1计算下列各式：二、拆项相消
Fractional operations are based on the structural characteristics of the fraction. Take a flexible approach, which is often easier to use. Here are some common operating techniques summarized below. 1. Selectively combine the calculations of the following fractional formulas. It’s annoying, but it’s simpler if you choose to combine certain fractions together. Example 1 calculates the following formulas: 2. Deconstruction