Animatie van een jonge blanke vrouw van achteren gezien en kijkend naar schoolbord met bewegende wiskundige grafieken en formules geschreven in krijt 4k - Stockvideo’s

Portrait of a beautiful girl, teacher or student solves examples, formulas, triangle on a black board, on a black background. Concepts: ideas, algebra, mathematics geometry school university knowledge

Animation of a smiling Caucasian woman with hand on chin wearing white clothes sitting in a white chair with moving mathematical calculations written in chalk on a chalkboard behind her 4k

Female scientist taking off eyeglasses looking at camera, formulas on blackboard

Student writing chemical symbol on blackboard. Professional shot on Lumix GH4 in with high 4K resolution. You can use it e.g in your school, education, commercial video, business, presentation

Digital animation of a woman writing on a board in a classroom with mathematics foreground

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

Animation of a smiling Caucasian woman with hand on chin wearing white clothes sitting in a white chair with moving mathematical calculations written in chalk on a chalkboard behind her 4k

Digital animation of a woman writing on a board in a classroom with mathematics foreground

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

Animation of a young Caucasian man celebrating in front of moving mathematical graphs and formulae written in chalk on a blackboard 4k

Animation of head and shoulders back view of a Caucasian man with hand on chin facing a green chalkboard with moving mathematical calculations formula written in chalk 4k

Animation of back view of a Caucasian man with arms crossed in front of green chalkboard with moving mathematical calculations formulae written in chalk 4k