Professor gesticulando perto de quadro-negro e câmera digital borrada na escola - Banco de fotos e imagens

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

Teacher in eyeglasses gesturing near digital tablet and camera in classroom

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

Happy teacher holding digital tablet and pointing at math formulas on chalkboard near camera in school

Teacher holding notebook near digital tablet and camera in classroom

Positive teacher pointing at blurred digital camera and chalkboard in classroom

Positive teacher talking near blurred digital camera in classroom

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

Selective focus of businessman in formal wear talking with journalist

Selective focus of digital camera shooting journalist and businessman

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

Panoramic shot of journalist talking with businessman in formal wear

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

Selective focus of journalist talking with businessman in formal wear