Guapo maestro de sexo masculino sosteniendo gafas y mirando a la cámara en clase de matemáticas - Foto e imagen de stock

Pensive male teacher touching chin and solving equation on chalkboard in class

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

Crumpled paper balls flying at frightened male teacher in classroom with chalkboard on background

Focused male teacher in formal wear looking at camera and holding wooden pointer in front of chalkboard with equations

Smiling male teacher in formal wear holding wooden pointer in front of chalkboard with equations

Serious male teacher in formal wear holding wooden pointer in front of chalkboard with equations

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

Cropped view of male student wiping mathematical equations with sponge in classroom

Female teacher looking at camera and pointing with finger at mathematical equation on chalkboard in class

Female teacher standing in formalwear near chalkboard and holding glasses

Female teacher in formal wear holding glasses and looking away in classroom

Teacher pointing at equations in classroom with student

Beautiful female teacher with wooden pointer explaining mathematical equations in classroom

Female professor showing equations in classroom

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