论文部分内容阅读
异分母分式加减的关键是通分,但是如果不假思索一味地寻求最简公分母来通分,反而带来不便甚至出错,多数情况下要尽量巧算。
The key to the addition and subtraction of the different denominator fractions is pass-through, but if you do not just think about blindly searching for the simplest common denominator to pass points, it will cause inconvenience or even make mistakes. In most cases, it should be calculated as much as possible.