Profesor señalando ecuaciones en el aula con el estudiante - Foto e imagen de stock

Selective focus of teacher showing something to student

Female professor showing equations in classroom

Female teacher standing in formalwear and looking at student in classroom

Female professor pointing at chalkboard with equations during lesson

Female lecturer standing in glasses and showing equations near student

Female professor pointing at equations to student in classroom

Female teacher sitting at desk and pointing at something in classroom

Dissatisfied teacher looking at student who talking on smartphone in classroom

Male teacher in formal wear wiping mathematical equations with sponge in classroom

Male teacher wiping mathematical equations with sponge from chalkboard in classroom

Male teacher sitting at computer desk and drinking coffee in classroom

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

Male teacher sitting at desk, pointing finger in air and explaining equations in maths classroom

Pensive male teacher in glasses sitting and using laptop at desk in classroom

Selective focus of schoolgirl with raised hand near classmates

Selective focus of schoolkid with raised hand near classmates

Male teacher in formal wear sitting on desk and holding laptop in classroom