LDR 00720naa#a2200169#i#450#
001     EN\INFRA-M\bibl\81623
005     20240914195317.6
011 ## _a1998-0728
100 ## _a20240411b2024####ek#y0engy0150####ca
102 ## _aRU
200 1# _aThird-grader and Mathematics:  Mastering an Academic Subject within the Framework of the Requirements of the Current Standard
       _eJournal article
210 1# _aMoscow
       _cINFRA-M Academic Publishing LLC.
       _d2024
215 ## _a6 с.
608 ## _aJournal article
       _2local
675 ## _aПервая ступень обучения. Начальная школа. 373.3
       _aматематики. 372.851
       _aРазвивающее обучение. 371.315.5
       _z
700 #1 _aRydze
       _gOxana Anatol'evna
856 4# _anaukaru.ru
       _u