00653naa#a2200169#i#4500001002300000005001700023011001400040100004100054102000700095200011300102210005100215215001000266608002700276675014600303700002000449856001400469EN\INFRA-M\bibl\12611020260702210210.4##a1998-0728##a20260618b2026####ek#y0engy0150####ca##aRU1#aEvaluation of the Achievements of Primary Schoolchildren in the Study of Geometric MaterialeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2026##a6 с.##aJournal article2local##aОрганизация учебного процесса в общеобразовательной школе. 373.1aГеометрия. 514#1aRed'kinagA. O.4#azh-szf.ru