شطيطح م, طالبي ما, حازي م, بوضياف م. The use of experimental approach and the semiotic mediation, To process mathematical Situations in a digital environment. (The composite of two central symmetries as an example): تاريخ الاستلام: 13/02/2020 تاريخ القبول: 27/10/2020. RDRH [Internet]. 2021 Dec. 27 [cited 2026 Nov. 2];16(04):690-712. Available from: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/418