\(\left(g\right):-\dfrac{5}{7}.\dfrac{2}{11}+\dfrac{-5}{7}.\dfrac{9}{11}+1\dfrac{5}{7}\\ =-\dfrac{5}{7}.\left(\dfrac{2}{11}+\dfrac{9}{11}\right)+1+\dfrac{5}{7}\\ =-\dfrac{5}{7}.\dfrac{11}{11}+1+\dfrac{5}{7}\\ =-\dfrac{5}{7}.1+\dfrac{5}{7}+1\\ =0+1=1\\ \left(i\right):\dfrac{-7}{31}+\left(\dfrac{24}{17}+\dfrac{7}{31}\right)=-\dfrac{7}{31}+\dfrac{7}{31}+\dfrac{24}{17}=\dfrac{24}{17}\)
\(g,=-\dfrac{5}{7}\left(\dfrac{2}{11}+\dfrac{9}{11}\right)+\dfrac{12}{7}\\ =-\dfrac{5}{7}+\dfrac{12}{7}\\ =\dfrac{7}{7}=1\\ h,=-\dfrac{7}{31}+\dfrac{24}{17}+\dfrac{7}{31}\\ =\dfrac{24}{17}\)
