\(\dfrac{2022}{2023}.\left(\dfrac{9}{13}-\dfrac{7}{11}\right)+\dfrac{2022}{2023}.\left(\dfrac{17}{13}-\dfrac{4}{17}\right)\)

\(\dfrac{81}{\left(-3\right)^x}=-243\)

11\(\dfrac{3}{13}\)-(\(2\dfrac{4}{7}\)\(+5\dfrac{3}{13}\))

(1/2)^2-1 1/2+0,5.12/5+5%

(x+\(\dfrac{2}{3}\))+\(\dfrac{1}{11}\)=(\(\dfrac{10}{-33}\).\(\dfrac{11}{8}\)).\(\dfrac{24}{-55}\)

(x-\(\dfrac{3}{4}\))-\(\dfrac{1}{4}\)=\(\dfrac{3}{5}\).|\(\dfrac{-1}{3}\)|

(x-\(\dfrac{3}{4}\))-\(\dfrac{1}{4}\)=\(\dfrac{3}{5}\)x|\(\dfrac{-1}{3}\)|

x + 1/4 = -3,4 x 23/-15.(-45/92)

\(\dfrac{4}{7}:x=\)13

\(\dfrac{x}{5}=\dfrac{2}{3}\)