Odpowiedź :
[tex]\frac{9^{6}\cdot5^{8}}{45^{7}} = \frac{9^{6}\cdot5^{8}}{(9\cdot5)^{7}} = \frac{9^{6}\cdot5^{8}}{9^{7}\cdot5^{7}} = 9^{6-7}\cdot5^{8-7} = 9^{-1}\cdot5^{1} =\frac{1}{9}\cdot5 = \frac{5}{9}[/tex]
[tex]\frac{9^{6}\cdot5^{8}}{45^{7}} = \frac{9^{6}\cdot5^{8}}{(9\cdot5)^{7}} = \frac{9^{6}\cdot5^{8}}{9^{7}\cdot5^{7}} = 9^{6-7}\cdot5^{8-7} = 9^{-1}\cdot5^{1} =\frac{1}{9}\cdot5 = \frac{5}{9}[/tex]