Ответ:
- \(\frac{14a^3}{21a}=\frac{2a^2}{3}\).
- \(\frac{8b^3c^2}{12bc^3}=\frac{2b^2}{3c}\).
- \(\frac{5x}{20x}=\frac{1}{4}\).
- \(\frac{24x^2y^2}{32xy}=\frac{3xy}{4}\).
- \(\frac{4abc}{16ab^4}=\frac{c}{4b^3}\).
- \(\frac{56m^5n^7}{42m^5n^{10}}=\frac{4}{3n^3}\).
- \(\frac{-10n^{10}}{5n^4}=-2n^6\).
- \(\frac{3p^4q^6}{-9p^8q^7}=-\frac{1}{3p^4q}\).
Ответ: 1) \(\frac{2a^2}{3}\); 2) \(\frac{2b^2}{3c}\); 3) \(\frac14\); 4) \(\frac{3xy}{4}\); 5) \(\frac{c}{4b^3}\); 6) \(\frac{4}{3n^3}\); 7) \(-2n^6\); 8) \(-\frac{1}{3p^4q}\).
