Usmívající se elegantní žena v brýlích stojí na tabuli a vysvětluje rovnici žákům ve třídě místnosti - Stock fotografie a obrázky

Happy elegant woman in glasses is standing at blackboard with equations during mathematics lesson for elementary school

Positive teacher pointing with finger during mathematic lesson in school

Low angle of jolly female in glasses standing at blackboard in classroom and explaining equations while using laptop connection

A woman leads a lesson at the marker Board. A middle-aged woman leads a business training session with a marker in her hand.

Cheerful senior woman pointing whiteboard while standing at the classroom

Beautiful young teacher writing on blackboard in classroom

Senior woman teaching mathematics while standing near the whiteboard and gesturing

Gentleman pointing at notebook display while his colleagues discussing marketing strategy stock photo

Positive boy pointing at toy by hand. Glad teacher listening him and watching at board. Education of future concept

Attractive office workers are standing and smiling. The man is explaining his ideas and pointing at the diagram on board. The woman is looking at blueprint with interest and smiling

Relaxed emotional student wearing warm sweater and looking into the distance with a smile while being in the library

Positive kids and outgoing woman watching at digital device while locating outdoor

Close up of child hand drawing on blackboard with chalk in children playroom stock photo

Smiling lady and man looking at pattern on chalkboard while their colleague talking about project stock photo

Portrait of happy kid and cheerful woman playing with helicopter while locating at desk during lesson