Iziumchenko, L.; Tkachevska, A. DIFFERENT WAYS OF SOLVING PROBLEMS AS A TOOL FOR FORMING FLEXIBILITY OF THINKING (ON THE EXAMPLE OF A GEOMETRIC PROBLEM). Osvìta, ìnnovatika, praktika 2023, 11 (9), 48-54. https://doi.org/10.31110/2616-650X-vol11i9-007.