Matematika B - 2011. jesen, 9.

A. $K=\frac{a+1}{2}K=\backslash frac\{a+1\}\{2\}$

B. $K=\frac{a+2}{2}K=\backslash frac\{a+2\}\{2\}$

C. $K=\frac{a-1}{2}K=\backslash frac\{a-1\}\{2\}$

D. $K=\frac{a-2}{2}K=\backslash frac\{a-2\}\{2\}$