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�� 29. �� :�) (x^2 y-xy^2)/(x^2-xy); �) (3ac+6a)/(ac^2+2ac);�) m(m^2-n^2 )/(m^2 n+mn^2 );�) (4a-2a^2)/(4b-2ab); �) a(9-a^2 )/(3a+a^2 ); �) ...

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29. �� :

�) (x^2 y-xy^2)/(x^2-xy);

�) (3ac+6a)/(ac^2+2ac);

�) m(m^2-n^2 )/(m^2 n+mn^2 );

�) (4a-2a^2)/(4b-2ab);

�) a(9-a^2 )/(3a+a^2 );

�) (ac^2-bc^2)/c(a^2-b^2 ).

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