Profesor sonriente sosteniendo tiza y portátil cerca de fórmulas matemáticas en pizarra - Foto e imágenes de stock

Positive teacher holding chalk and laptop near chalkboard in school

Young teacher near whiteboard in modern classroom. Space for text

Positive teacher pointing with finger during mathematic lesson in school

Happy Woman with laptop on background

Smiling teacher pointing at laptop during video call near chalkboard in classroom

Mature teacher with clipboard near whiteboard in modern classroom. Space for text

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

Blurred doctor with felt pen and clipboard writing chemical formulas on glass board

Low angle view of blurred chemist holding clipboard and felt pen near chemical formulas on glass board

Low angle view of scientist with felt pen near blurred formulas on glass board

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

Shocked teacher touching glasses while holding digital tablet with blank screen near chalkboard

Collage of teacher with pointing stick showing thumb up, reading book, holding globe, pointing at digital tablet near chalkboard

Smiling teacher looking away and pointing with finger near chalkboard