LDR 00564naa#a2200169#i#450# 001 EN\INFRA-M\bibl\49071 005 20240915161328.7 011 ## _a2306-1731 100 ## _a20220714b2022####ek#y0engy0150####ca 102 ## _aRU 200 1# _aComponents of Didactic Complexity of Mathematical Problem and Their Evaluation _eJournal article 210 1# _aMoscow _cINFRA-M Academic Publishing LLC. _d2022 215 ## _a5 с. 608 ## _aJournal article _2local 675 ## _aСтатистика. Демография. Социология. 31 _z 700 #1 _aMayer _gR. V. 856 4# _anaukaru.ru _u