00607naa#a2200181#i#450# EN\INFRA-M\bibl\3423 /en/manage/index 20250221084309.5 1998-0744 20140815b2014####ek#y0engy0150####ca RUS RU Classifying Skills for Development of the 5th–6th-Classes Students’ Mathematical Capabilities Within the Numeric Line Format Journal article Moscow INFRA-M Academic Publishing LLC. 2014 6 с. Journal article local Visitaeva Maret B. fht.editorum.ru /en/manage/index