00593naa#a2200181#i#4500001002100000005001700021011001400038100004100052101000800093102000700101200016200108210005100270215001000321608002700331700001900358700001900377856001500396EN\INFRA-M\bibl\371220240913144651.5##a1998-0744##a20141010b2014####ek#y0engy0150####ca0#aRUS##aRU1#aSome Methodical Features of Work with Multilevel System of Educational tasks, focused on the Unified State Examination Rormat on MathematicseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2014##a4 с.##aJournal article2local#1aMaksyutingA. #1aKlekovkingG. 4#anaukaru.ru