00646naa#a2200193#i#450# EN\INFRA-M\bibl\3712 /en/manage/index 20241128114937.4 1998-0744 20141010b2014####ek#y0engy0150####ca RUS RU Some Methodical Features of Work with Multilevel System of Educational tasks, focused on the Unified State Examination Rormat on Mathematics Journal article Moscow INFRA-M Academic Publishing LLC. 2014 4 с. Journal article local Maksyutin A. Klekovkin G. test.editorum.ru /en/manage/index