Digitální animace ženy psaní na tabuli ve třídě s matematiky popředí - Stock záběry a video

4K Teacher writing math formulas on blackboard and talking to her class 20s 4k

4K Woman with computer tablet drawing graphs and symbols on blackboard

Young teacher erasing chalkboard. Professional shot on Lumix GH4 in with high 4K resolution. You can use it e.g in your school, education, commercial video, business, presentation, broadcastc video

4K Woman with computer tablet drawing graphs and symbols on blackboard

Girl cleaning blackboard in classroom. Breda, Noord-Brabant, Netherlands

4K Woman with computer tablet drawing graphs and symbols on blackboard

Digital composite of an African-American boy holding a chalk at the board while mathematical equations move in the screen

Digital animation of a pile of colorful books in a grey room while mathematical equations and figures move in the foreground 4k

Digital composite of an African-American boy writing on the chalkboard while mathematical equations move in the foreground

Digitally generated animation of mathematical equations moving in the screen against a green background

Animation of a smiling Caucasian woman sitting at a desk holding a clock above her head and looking up at it and then smiling to camera. Behind her is a green chalkboard with moving mathematical graphs 4k

Animation of a young Caucasian woman seen from behind standing and looking at chalkboard with moving mathematical graphs and formulae written in chalk 4k