Question

valoarea absoluta a numarului x = $(2\frac{1}{5} - 0,7):(-0,(3))$ este:

Answer 1

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

$\it |x|=|-4,5|=4,5$