Professor feliz segurando tablet digital e apontando para fórmulas de matemática em quadro-negro perto da câmera na escola - Banco de fotos e imagens

Teacher in eyeglasses talking near chalkboard with mathematic formulas and digital camera in class

Teacher in eyeglasses gesturing near digital tablet and camera in classroom

Teacher holding notebook near digital tablet and camera in classroom

Tutor holding book near digital camera and chalkboard with mathematic formulas in class

Positive teacher pointing at blurred digital camera and chalkboard in classroom

Teacher gesturing near chalkboard and blurred digital camera in school

Positive teacher talking near blurred digital camera in classroom

Teacher in eyeglasses gesturing near chalkboard with math formulas and blurred digital camera in class

Professional digital camera recording interview of woman waving hand and young indian guest sitting at table with laptop and blurred paper cups in broadcasting studio

Selective focus of digital camera shooting journalist and businessman

Selective focus of professional digital camera recording how interviewer talking to young indian guest while sitting together near laptop and microphones on blurred background in studio

Selective focus of journalist talking with businessman in formal wear

Brunette radio host in headphones writing in notebook close to positive indian colleague looking at laptop near professional microphones and smartphone with blank screen in studio

Cheerful indian man in yellow jumper pointing at happy brunette colleague near laptop, paper cup and notebooks while recording podcast on blurred digital camera in professional radio studio

Selective focus of digital camera shooting journalist and businessman in formal wear

Selective focus of digital camera shooting journalist and businessman