va rog am nevoie repede

Răspuns:
[tex] a) \: \: \: \frac{ {5}^{(5} }{20} = \frac{1}{4} \\ \frac{ {8}^{(8} }{80} = \frac{1}{10} \\ \frac{1}{4} si \frac{1}{10} \\ = > \frac{ {1}^{(5} }{4} si \frac{ {1}^{(2} }{10} = \frac{5}{20}si \frac{2}{20} [/tex]