Задумчивый учитель мужского пола касается подбородка и решает уравнение на доске в классе - Стоковое фото и изображение

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

Handsome male teacher holding glasses and looking at camera in maths class

Male teacher wiping mathematical equations with sponge from chalkboard in classroom

The teacher is teaching mathematics, It is an important and fundamental subject. Success and education concept. Learning is very necessary.

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

Female teacher standing in formalwear near chalkboard and holding glasses

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

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

Teacher pointing at equations in classroom with student

Cropped view of female teacher with wooden pointer explaining mathematical equations in classroom

Partial view of female teacher writing equation on green chalkboard

Female professor showing equations in classroom

Beautiful young teacher writing with chalk on blackboard

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

Young attractive teacher pointing at blank chalkboard