Zamyślony mężczyzna nauczyciel w okularach siedzący i komputera przenośnego na biurku w klasie - Zdjęcie stockowe & obraz

Male teacher in glasses sitting at computer desk, holding apple and looking at camera in classroom

Smiling male teacher in glasses sitting at desk and showing laptop with blank screen in classroom

Distant education, school and remote job concept - happy smiling male math teacher with laptop compute and book showing equation on flip chart having online class or video call at home office

Male teacher in formal wear writing equation on chalkboard in maths class

Female teacher sitting at computer desk, holding glasses and having headache in class

Female teacher in glasses sitting at desk and pointing at laptop with blank screen in classroom

Teacher pointing at equations in classroom with student

Young tired teenagers studying on computers

Beautiful pensive female teacher in formal wear and glasses in classroom

Young pensive asian student boy in classroom with friends

Male student studying and writing in copybooks at table with laptop

Female teacher in glasses sitting at computer desk and holding apple in classroom

Female professor showing equations in classroom