Insegnante donna risolvere una domanda di matematica sulla lavagna mentre una studentessa in piedi dietro e guardando . - Foto e immagini stock

Rear view of teenage girl writing on chalkboard in classroom

Two girls at the blackboard in a mathematics class

Teacher at school in the classroom ready for work

School child with teacher in classroom during lesson. concept of school

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

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

Young female teacher or student wearing glasses standing at the blackboard doing mathematics equations and problems during class in college or university

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

View from over the shoulder of a young girl studying in class at college sitting facing the blackboard full of text reading up her class notes in a file

Profile view of a thoughtful girl wearing glasses sitting in class at college with her chin resting on her hand and a blackboard with text behind her

Portrait of young female student solving sums on chalkboard in classroom

Pretty young female student leaning against the blackboard with chalk in her hands thinking about the answer to the mathematical equation on the board