00672naa#a2200193#i#4500001001400000005001700014011001400031100004100045101000800086102000700094200013600101210013700237215001000374608002700384700001400411700001800425700002100443856001400464EN\\bibl\310120251218000016.4##a2308-8877##a20140617b2014####ek#y0engy0150####ca0#aRUS##aRU1#aThe use of task with parameters as a means to summarize and systematize the mathematical knowledge school childreneJournal article1#aVoronezhcFSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozovd2014##a3 с.##aJournal article2local#1aMalevgV #1aBelyaevagE. #1aSapozhnikovagN 4#azh-szf.ru