Răspuns:
[tex]( { \frac{11}{7} })^{3} = \frac{ {11}^{3} }{ {7}^{3} } = \frac{1331}{343} \\ (\frac{5}{4} ) ^{4} = \frac{ {5}^{4} }{ {4}^{4} } = \frac{625}{256} \\ (\frac{3}{3}) ^{2017} = \frac{ {3}^{2017} }{ {3}^{2017} } = 1 \\ ( \frac{19}{43} ) ^{1} = \frac{19}{43} [/tex]