Odpowiedź:
[tex]\frac{3\cdot 5^{12} + 3\cdot 5^{13} + 4\cdot 5^{14}}{25^7} = \frac{5^{12}(3 + 3\cdot 5 + 4\cdot 5^2)}{(5^2)^7} = \frac{5^{12}(3+15+100)}{5^{14}} = \frac{3+15+100}{5^2} = \frac{118}{25}[/tex]
