Răspuns :

Targoviste44id

[tex]\it x=(2\dfrac{1}{5}-0,7):(-0,(3))=(\dfrac{^{2)}11}{\ 5}-\dfrac{7}{10}):(-\dfrac{3}{9})=\\ \\ \\ =-\dfrac{15}{10}\cdot\dfrac{9}{3}=-\dfrac{15}{10}\cdot3=-\dfrac{45}{10}=-4.5[/tex]

[tex]\it |x|=|-4,5|=4,5[/tex]

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