Atractivo joven estudiante o profesor escribiendo en la pizarra en un aula en la universidad o la universidad dibujo diagramas matemáticos y ecuaciones en el tablero - Foto e imágenes de stock

Pretty young student or teacher standing in front of the blackboard in the classroom with folded arms smiling confidently at the camera

Pretty young college student writing on the chalkboard/blackboard during a math class (shallow DOF; color toned image)

Portrait of young female student solving sums on chalkboard in classroom

Smiling girl with empty card in her hand

Pretty young college student writing on the chalkboard/blackboard during a math class

Young student solving mathematics problem on white board

Confident beautiful young Asian teacher or student standing in front of a blackboard covered in mathematical equations smiling at the camera

Clever confident female student in the classroom writing on a chalkboard completing mathematical equations

Young attractive teacher with brown hair smiling at the camera against a green board.

Portrait of woman writing the solution on the green board

Thoughtful young girl in mathematics class standing sideways looking up at a blackboard covered in equations with her hand to her chin as she seeks an answer to a problem

Happy female student with binder looking up against chalkboard in classroom

Confident beautiful young female student standing with folded arms in front of a blackboard covered in equations

Thoughtful young female student with hand on chin solving sums on chalkboard in classroom

Young woman standing in profile writing with chalk on a blackboard in a classroom

Smiling young female Asian student or teacher doing maths standing at a blackboard covered in mathematical equations

Thoughtful female student holding tablet-pc in classroom