Θετικός δάσκαλος που δείχνει την ψηφιακή κάμερα κοντά στον πίνακα με μαθηματικούς τύπους - Φωτογραφίες & Εικόνες Αρχείου

Smiling teacher holding chalk near chalkboard with formulas and digital camera

Teacher holding chalk and talking near chalkboard with formulas and digital camera

Cheerful teacher holding chalk near chalkboard and digital camera in classroom

Tutor pointing at chalkboard and holding digital tablet near camera in school

Teacher talking near digital camera and chalkboard with math formulas in class

Teacher holding chalk near blurred digital camera and chalkboard in class

Teacher talking near math formulas on chalkboard and blurred digital camera in classroom

Teacher in eyeglasses talking near blurred digital camera and chalkboard

Teacher talking near math formulas on chalkboard and digital camera in class

Teacher talking near blurred digital camera and chalkboard with math formulas in classroom

Selective focus of attractive journalist in formal wear smiling in office

Selective focus of happy video blogger gesturing while looking at digital camera

Selective focus of cheerful video blogger gesturing while looking at digital camera

Smiling teacher looking away and pointing with finger near chalkboard

Brunette doctor in white coat writing chemical formulas on glass board in lab

Happy teacher smiling at camera while standing with open arm near chalkboard

Shocked geometry teacher touching face and pointing with finger at chalkboard with illustration

Positive transgender person holding cosmetic brush and showing peace sign near digital camera