00505naa#a2200169#i#4500001002200000005001700022011001400039100004100053102000700094200008400101210005100185215001000236608002700246675002900273700001900302856001400321EN\INFRA-M\bibl\4678320241226064128.4##a2308-4898##a20211111b2021####ek#y0engy0150####ca##aRU1#aThe Main Reasons for Poor Assimilation of Descriptive GeometryeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2021##a8 с.##aJournal article2local##aМатематика. 51#1aSal'kovgN. A.4#azh-szf.ru