Portrait of scientist man with mathematical equations background. He put on his glasses and smile at camera. Clever and smart teacher lecturer concept. Let's study!
Confident high school student smiling in corridor. Public education concept.
The serious man in glasses thinking. evening night time
Overconfident male worker in office
Man draws various growth charts, calculating prospects for success in a modern glass office
Front view of serious eldery bearded man in glasses which working with book at the library table
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A happy girl dressed as a teacher in front of a small blackboard holds her arms folded and smiles.
Idea And Success With Child Smiling Happy Boy At School
Bearded man makes Eureka gesture finding perfect solution
Man celebrating a brilliant idea
Woman draws various growth charts, calculating prospects for success in a modern glass office
The three business people discuss at the table. evening night time
Man and woman rejoice in success and having fun in a modern glass office
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Early childhood education inscription on white background. Graphic presentation on mobile phone screen. Education concept. Male hand tapping with fingers on laptop near phone
Old female hand playing chess with kid at home close up
Side view close-up of concentrated genius schoolboy writing on chalkboard in slow motion. Portrait of focused confident Middle Eastern boy studying in classroom in primary school.
Thoughtful man having an idea
Businessman in funny glasses typing on keyboard has very good idea
Young person making a decision with a board. The concept of creativity and knowledge.
Crane shot of male teacher helping students with tablet computers at school. Mixed race kids learning with modern gadgets in classroom. Clever pupils doing classwork on digital tablets at lesson
Experienced man with a sincere smile posing in the library
Happy Girl Writing On Blackboard In Class And Smiling
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Believe in yourself inscription on mobile phone screen. Rays of light come from screen. Male hand flapping with fingers cheerfully
Focused business woman thinking front computer in night office. Smart businesswoman found solution to business problem. Inventing original idea. Closeup woman working late in dark office
Confident genius boy in eyeglasses posing indoors. Portrait of intelligent Caucasian teenager sitting at the table with laptop and books and smiling at camera. Lifestyle, confidence, intelligence.
Portrait of adorable young girl pointing at clean chalkboard
Happy Positive Man Laughing at Funny Joke Looking at Camera in Library. Cheerful Male Teen School College Student Having Fun, Smiling Ethnic Face Close Up Portrait.
Smart boy in glasses having an idea. Portrait of thoughtful teen boy in eyeglasses on blurred background. Education, innovation and creativity concept.
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Cute are cosy sitting in a hollow log and looking at the camera and yawn.
Preparing for exams: Students studying together at the library
Three Caucasian male university students sitting on couch and talking. Adult friends chatting indoors. Lifestyle, studying, education concept.
Prosperous man reading newspaper articles and resting
Adult bearded man in glasses reading book at table and looking at camera
Confident student walking at university campus outdoors front view. Portrait of young man in eyeglasses strolling with paperwork on sunny morning.
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Happy couple rests in college library closeup. Laughing black man with European girl friend have good time in university book storage
Crane shot of smiling teacher asking questions to kids in school class. Clever schoolchildren raising hands at lesson in classroom. Mixed race pupils answering questions of schoolteacher at school
Portrait of intelligent young boy solving complex calculus equation
Smart man with stack of books
MOSCOW - May 6: Chess game outdoors at Moscow spring festival in Luzhniki on May 6, 2013 in Moscow, Russia.
Female in headset and glasses talking, writing and videochatting on smartphone in library. Woman speaking, taking notes and having videochat
Tired college student taking off eyeglasses and rubbing eyes. Portrait of serious Caucasian boy studying at home. E-learning, lifestyle, education, overworking.
Smiling boy in eyeglasses at home with laptop
Elementary school class children communicate with the teacher answering question
Woman strategizing chess moves with friends. Enjoying smart competition and leisure activity.
Closeup of person's face behind book cover
A stylish school boy wearing glasses sits on the background of a white wall and makes interesting notes in a notebook. A conceived boy makes notes in a yellow textbook. The guy wears a yellow blouse