enseignement (2) Teaching (2) Students (2) Mathematics (2) Japanese (2) Students (2) puits (1) recherche (1) papier (1) analyse (1) didactique (1) sentier (1) Context (1) Language (1) Case (1) Implements (1) Correspondence (1) Correspondence (1) Cases (1) Tools (1) Teachers--Training of (1) Teachers (1) Schools (1) Research (1) Perspective (1) Paper (1) Linguistics (1) Letters (1) Letter writing (1) Learning (1)