a)
[tex]( \frac{1}{5} )^{2} = \frac{1}{5} \times \frac{1}{5} = \frac{1}{25} [/tex]
b)
[tex]( \frac{2}{5} ) ^{3} = \frac{2}{5} \times \frac{2}{5} \times \frac{2}{5} = \frac{8}{125} [/tex]
c)
[tex](1 \frac{2}{5} ) ^{2} = \frac{7}{5} \times \frac{7}{5} = \frac{49}{25} = 1 \frac{24}{25} [/tex]
d)
[tex](2 \frac{1}{2} ) ^{3} = \frac{5}{2} \times \frac{5}{2} \times \frac{5}{2} = \frac{125}{8} = 15 \frac{5}{8} [/tex]
Myślę że pomogłem ;)
