Plotnikova Tatiana Vladimirovna Mathematics teacher of MKOU "SOSH No1 of the city of Suzdal" ...
-
-
mosaico matemático Tareas de coincidencia
Plotnikova Tatiana Vladimirovtsev Mathematics teacher of the MOU "SOSH No. 1 in Suzdal" Presentación sobre el tema ...
0 2k 018 de agosto de 2011