从而大大简化了分式分项的计算，简化了有理真分式的积分运算。
The calculation of every fractions in Separating fraction and integral of rational proper fraction is reduced by the method.
本文利用导数给出了有理真分式分解为部分分式时的一个简洁的系数公式以及该公式的使用。
This paper, by using derivative, gives a concise coefficient formula and its usage in decomposing rational into partial fraction.
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