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Happy businessman giving a speech in front of large group of his colleagues at convention center. Copy space.
Happy teacher explaining mathematics at whiteboard in classroom. Portrait of smiling mathematics tutor explaining addition concept to children in classroom. Successful teacher standing in front of whiteboard with crossed arms after explaining addition to students.
Portrait of young happy smiling teacher man standing near chalkboard background
The young adult female university student nervously stands at the front of the class to present her project.
young cheerful professor in front of blackboard
Waist up portrait of male college professor looking at camera in classroom hall and holding book, copy space
Young female student sitting with book and laptop while attending lecture in university classroom
attractive female teacher in glasses near blackboard with math calculations. Back to school
Young happy teacher standing on a class with crossed arms in front of his elementary students and looking at camera.
Professional Male Teacher Gives Presentation, Uses Whiteboard with Technical Information and Charts to Illustrate Solution Options During Video Call. E-Learning and Remote Education Concept.
Grey-haired mixed race man with facial hair standing at front of secondary school classroom holding composition booklets and looking at camera with contented expression.
Mature teacher standing near the blackboard and explaining Maths to students online using laptop
Group of young male and female university students seated in chairs behind a female professor at university of Bangkok.
Teacher in High School
Waist-up view of early 50s woman standing in front of class and smiling at camera, students at desks in background. Property release attached.
Young student is solving math exam. Mathematics formular on blackboard in background.
Smiling professor standing in the classroom and looking at camera while students are learning in the background.
young pretty female teacher writing on a chalkboard completing mathematical equations in the classroom. education concept
Mature teacher talking to adult students, standing in the classroom with blackboard in the background.
Mature professor of university in smart casualwear standing in front of blackboard at lesson in auditorium and writing down formula
The young adult teacher smiles and interacts with unrecognizable students when she teaches a computer class at the university.
Vietnamese adult student sitting in empty lecture hall
People in 20s, 30s, and 40s sitting side by side and using portable devices during university lecture. Property release attached.
Young Male Scientific Researcher Writes Formula or Equation on Whiteboard In the University of Technology Modern Laboratory. Science and Research for Genetics or Technology Concept.
Rear view of 15 and 16 year old students in uniform sitting at classroom desks and listening to instructor discussing educational subject with teacher at front of class.
portrait of female teacher with chalk near green chalkboard background. back to school
Portrait of Smiling Millennial Caucasian Chubby Girl With Backpack With Groupmates in College or University Looking at Camera
Thoughtful teacher seeking a way to explain things to his pupils standing at the chalkboard looking pensively into the air
Western USA Remote Office Space Worker Adult Male Business-Owner in Office Setting Retail Sales and Technology Photo Series
Free Images: "bestof:PeterCameron.JPG en Australian-British mathematician Peter Cameron after his lecture on the conference Combinatorics algebra and more in honour of his own"
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