Řada počítačů v univerzitní knihovně: Zaostřený jasný běloch chlapec a talentované černošky Studium pro zkoušky, Práce na přiřazení, Bod na obrazovce, Diskuse, Hledat řešení, Vysvětlit předmět - Stock fotografie a obrázky

Two young people smiling while looking at the screen of modern laptop and helping their Afro-American friend with homework

Cheerful relaxed young lady sitting next to her friend and smiling while looking at the notes in his notebook

Positive young man sitting at the table with his fellow students and smiling while sharing his notes

Spacious area. Group of young people in casual clothes working in the modern office.

Elementary School Classroom: Enthusiastic Teacher Holding Tablet Computer Explains Lesson to Brilliant Young Children. Kids Learning Programming Languages, Internet Safety and Information Technology

Enthusiastic Teacher Giving a Lesson in Elementary School to Class Full of of Diverse Children. Group of Smart Multiethnic Kids Learning New Stuff. Side View Shot

Elementary School Physics Teacher Uses Interactive Digital Whiteboard to Show to a Classroom full of Smart Diverse Children how Renewable Energy Works. Science Class with Kids Listening

Elementary School Classroom: Enthusiastic Teacher Holding Tablet Computer Explains to a Brilliant Young Children How Wind Turbines Work. Kids Learning about Eco-Friendly Forms of Renewable Energy

Boy and Two Girls Working on a Schools Science Class Project Watch Popular Videos on Smartphone.

Boy and Two Girls Working on a Schools Science Class Project Watch Popular Videos on Smartphone.