Задание

Для любых ненулевых чисел \(\displaystyle p\) и \(\displaystyle q\) упростите выражение:

\(\displaystyle \frac{p^{\,19}\cdot q^{\,17}: p^{\,12}\cdot q^{\,16}} {q^{\,15}\cdot p^{\,11}: q^{\,9}}=\) [ ]
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