Условие:
Выполните деление:
1) (21b^8)/(10c^6)∶(7b^2)/(30c^3);
2) (40a^5b^9)/(39c^6d^14)∶(-(5a^8b^3)/(26c^12d^7));
3) 36x^16y^14∶(18x^18y^10)/(11m^3);
4) (60m^6n^5)/(17p^4)∶(15m^8n^10);
5) (17a^6b^10)/(16c^2d^5)∶(34a^4b^4)/(24c^6d^6)∶(15b^8d^4)/(8a^8c^3);
6) (-(9x^5y^2)/(7z^4))^3∶(-(9x^4y^10)/(7z^3))^4.