00555naa#a2200181#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200012300109210005100232215001000283608002700293700001900320700002000339856001400359EN\INFRA-M\bibl\1315220240703101130.3##a1998-0744##a20160817b2016####ek#y0engy0150####ca0#aRUS##aRU1#aMethodological Aspects of the Development of Test Tasks As a Means of Mathematical Concepts FormationeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2016##a7 с.##aJournal article2local#1aVoinovagI. V.#1aSafonovagL. A.4#azh-szf.ru