Retrato de menina olhando para menino caucasiano triste em óculos com pasta na mão - Banco de fotos e imagens

Selective focus of children looking at camera while sitting at workplace with retro telephone

Portrait of little girl talking on telephone while boy sitting near by at workplace

Portrait of little kids sitting at workplace with retro telephone and calculator

Portrait of little girl talking on telephone while boy sitting near by at workplace

Education and school concept. Tiresome process of reading. Schoolchildren sitting at the desk on the gray background. Copy space.

Portrait of child with paper bag on head showing thumb up isolated on grey

Elevated view of girl with magnifying glass lying on chalkboard with friend near by

Portrait of shocked girl in lab coat and protective glasses

Shocked boy in white coat and protective glasses after experiment in science laboratory

Portrait of little girl in lab coat holding digital tablet in science laboratory

Schoolchildren in white coats and protective eyeglasses drawing chemical formulas on chalkboard and looking at camera, science school concept

Shocked boy in white coat and protective glasses after experiment in science laboratory

Boy and girl in white coats standing with reagents in flasks and drawing chemical formulas in science laboratory

Portrait of girl in white coat holding flask with chalkboard behind in science laboratory