TY JOUR TI The use of task with parameters as a means to summarize and systematize the mathematical knowledge school children KW and generalization of knowledge KW problems with a parameter JO Actual directions of scientific researches of the XXI century: theory and practice AU Malev, V.. AU Belyaeva, E.. AU Sapozhnikova, N.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov