Matematika A - 2013. jesen, 2.

A. $\frac{A+B}{CD}\backslash frac\{A+B\}\{C\; D\}$

B. $\frac{(A+B)D}{C}\backslash frac\{(A+B)\; D\}\{C\}$

C. $(A+B:C)\cdot D(A+B:\; C)\; \backslash cdot\; D$

D. $A+B:\frac{C}{D}A+B:\; \backslash frac\{C\}\{D\}$