Răspuns:
[tex]((\frac{2}{3} )^{3}) ^{4} \div ( \frac{2}{3} ) ^{17} = \\ ( \frac{2}{3} ) ^{12} \div \frac{ {2}^{17} }{{3}^{17} } = \frac{ {2}^{12} }{ {3}^{12} } \times \frac{ {3}^{17} }{ {2}^{17} } = \frac{ {3}^{5} }{ {2}^{5} } = ( \frac{3}{2} ) ^{5} \\ ( = \frac{243}{32} )[/tex]
