Selektiver Fokus männlicher Schüler, die im Klassenzimmer die Hand heben - Stockfoto & -bild

Selective focus of male student sitting at desk and raising hand

Teacher pointing at equations in classroom with student

Selective focus of smiling female teacher pointing at chalkboard with hand while male student looking at classmate

Female lecturer standing at desk near chalkboard with equations in class

Male student holding book near smiling female teacher in classroom

Selective focus of teacher showing something to student

Male student holding book near female teacher in classroom

Female professor pointing at chalkboard with equations during lesson

Female teacher pointing at equations to student in classroom