E_c_matematica_M_tehnologic_2014_var_01_LRO
E_c_matematica_M_tehnologic_2014_var_03_LRO
E_c_matematica_M_tehnologic_2014_var_05_LRO
E_c_matematica_M_tehnologic_2014_var_07_LRO
E_c_matematica_M_tehnologic_2014_var_09_LRO