00543naa#a2200181#i#4500001002100000003001700021005001700038011001400055100004100069101000800110102000700118200008500125210005100210215001000261608002700271700002400298856003900322EN\INFRA-M\bibl\1536/en/manage/index20250106072403.1##a1998-0728##a20140217b2014####ek#y0engy0150####ca0#aRUS##aRU1#aDivision of sum by number (mathematics lesson in the 4th Grade)eJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2014##a5 с.##aJournal article2local#1aSemikopenkogL. Yu.4#atest.editorum.ruu/en/manage/index