Usmívající se učitel ukazuje na notebook během videohovoru v blízkosti tabuli ve třídě - Stock fotografie a obrázky

Happy Woman with laptop on background

Smiling teacher having video call on laptop near chalkboard in classroom

Positive teacher pointing at equation on chalkboard during video chat on laptop

Digital technologies concept. Educator smart lady with modern laptop surfing internet chalkboard background. Woman teacher wear eyeglasses holds laptop surfing internet. Basic school education.

Woman teacher wear eyeglasses holds laptop surfing internet. Educator smart clever lady with modern laptop searching information chalkboard background. Learn it easy way. Online schooling concept.

Educator smart clever lady with modern laptop searching information chalkboard background. Learn it easy way. Digital technologies concept. Woman teacher wear eyeglasses holds laptop surfing internet.

Educator smart clever lady with modern laptop searching information chalkboard background. Learn it easy way. Digital technologies concept. Woman teacher wear eyeglasses holds laptop surfing internet.

Woman teacher wear eyeglasses holds laptop surfing internet. Educator smart clever lady with modern laptop searching information chalkboard background. Learn it easy way. Digital technologies concept.

Cropped view of teacher writing equation on chalkboard

Cropped view of teacher with chalk writing mathematic formula on chalkboard

Cropped view of teacher writing equation on chalkboard, banner

Happy redhead student in glasses and orange sweater holding notebooks and paper cup isolated on blue, banner

Cheerful african american woman in eyeglasses looking at camera, banner