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URGENT:24 PUNCTE+CORONITA+MULTUMESC:
(1/6-1/3x):x^2-4/2x^2+4x
Nota: ^=la putere
/=line de fractie


Răspuns :

[( x-2 ) /6x] :[(  x² -4) / ( 2x² +4x) ]=[ ( x-2)  /6x ] :[ ( x-2) ( x+2)  /  2x( x+2) ]=
[( x -2 ) /6x ] : [ ( x-2)  /  2x]= [ ( x-2) / 6x ] · [ 2x / ( x-2)] =  1 / 3


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