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�� 15.5. �� : �) a^2/x � (x^2/a^3)^2; �) (p/x^3)^3 : (p^2/x^3)^2; �) ((x^6 y^8)/z^5 )^5 : (x^10 y^13)/z^8; �) ((a^3 b)/c^4)^5 � (c^7/(a^5 b^2))^3;...

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15.5. �� :

�) a^2/x � (x^2/a^3)^2;

�) (p/x^3)^3 : (p^2/x^3)^2;

�) ((x^6 y^8)/z^5 )^5 : (x^10 y^13)/z^8;

�) ((a^3 b)/c^4)^5 � (c^7/(a^5 b^2))^3;

�) -(50a^4 b^5)/(63m^9 n^8) : ((5a^2 b^3)/(3m^2 n^5))^3;

�) (-(2pq^5)/(3ma^2))^2 � (9m^2 a^2)/(4p^3 q^7).

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