Matematika B - 2019. jesen, 9.

A. $-\frac{1}{9}-\backslash frac\{1\}\{9\}$

B. $-\frac{1}{81}-\backslash frac\{1\}\{81\}$

C. $\frac{1}{81}\backslash frac\{1\}\{81\}$

D. $\frac{1}{9}\backslash frac\{1\}\{9\}$