Odpowiedź:
[tex]a)\ \ 2^9\cdot(\frac{1}{4})^9:(\frac{1}{2})^5=(\not2^1\cdot\frac{1}{\not4_{2}})^9:(\frac{1}{2})^5=(\frac{1}{2})^9:(\frac{1}{2})^5=(\frac{1}{2})^{9-5}=(\frac{1}{2})^4=\frac{1}{16}\\\\\\b)\ \ \dfrac{(\frac{1}{5})^8:(\frac{2}{25})^8}{2,5^6}=\dfrac{(\frac{1}{5}:\frac{2}{25})^8}{(\frac{25}{10})^6}=\dfrac{(\frac{1}{\not5_{1}}\cdot\frac{\not25^5}{2})^8}{(\frac{5}{2})^6}=\dfrac{(\frac{5}{2})^8}{(\frac{5}{2})^6}=(\frac{5}{2})^{8-6}=(\frac{5}{2})^2=\frac{25}{4}=6\frac{1}{4}[/tex]
