Răspuns :
[tex] \huge( \frac{2}{3} ) {}^{5} \div (\frac{2}{3} ) {}^{17} = \\ \\ \huge = (\frac{2}{3}) {}^{5 - 17} =\\ \\ \huge = ( \frac{2}{3}) {}^{ - 12} = ( \frac{3}{2}) {}^{12} [/tex]
[tex] \huge( \frac{2}{3} ) {}^{5} \div (\frac{2}{3} ) {}^{17} = \\ \\ \huge = (\frac{2}{3}) {}^{5 - 17} =\\ \\ \huge = ( \frac{2}{3}) {}^{ - 12} = ( \frac{3}{2}) {}^{12} [/tex]