Teacher Du from Nanjing has merged with Leling in Leling Education and Training Center on the 2nd floor of Wutai Business Building, No.40-1Gulou District.

"Olympiad Mathematics" is the abbreviation of Olympic Mathematics Competition. 1934- 1935, the former Soviet union began to hold middle school mathematics competitions in Leningrad and Moscow, and held the first international mathematical Olympics in Bucharest from 65438 to 0959 in the name of mathematical Olympics.