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460. �� :

�) (693 + 207)/693; �) (56 � 15 � 21)/(27 � 49 � 10); �) 48ab/56bcd; �) x(t + k)/y(t + k) ;

�) 108/(1080 + 324); �) (35 � 36)/(35 � 6 + 35 � 36); �) (4m^3 nk)/(24m^2 n^4 ); �) (ab - ac)/(bd - cd).

�) (693+207)/693=693/693+207/693=1+(9�23)/(9�77)=1+23/77=1 23/77

�) 108/(1 080+324)=108/(108�(10+3))=1/13

�) (56�15�21)/(27�49�10)=(7�8�5�3�3�7)/(3�9�7�7�2�5)=(2�4�3)/(3�3�2)=4/3=1 1/3

�) (35�36)/(35�6+35�36)=(35�36)/(35�(6+36))=36/42=(6�6)/(6�7)=6/7

�) 48ab/56bcd=(6�8�a�b)/(7�8�b�cd)=6a/7cd

�) (4m^3 nk)/(24m^2 n^4 )=(4�m^2�m�n�k)/(4�6�m^2�n�n^3 )=mk/(6n^3 )

�) x(t+k)/y(t+k) =x/y

�) (ab-ac)/(bd-cd)=(a�(b-c))/(d�(b-c) )=a/d

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Rainbow

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