Profesor sonriente con puntero parado cerca de pizarra - Foto e imágenes de stock

Happy teacher pointing at mathematic equations in classroom

Young teacher with pointer pointing away near chalkboard

Cheerful teacher with chalk writing mathematic equation on chalkboard

Smiling teacher pointing with hand near chalkboard during mathematic lesson

Brunette teacher with book and chalk smiling near equation on chalkboard

Smiling teacher having video call on laptop near chalkboard in classroom

Positive teacher pointing at equation on chalkboard during video chat on laptop

Positive teacher pointing with finger during mathematic lesson in school