Serious math teacher explaining polynomials written on black chalkboard

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Size: 3000px × 4500px
Photo credit: © Ilka Erika Szasz-Fabian / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: black, blackboard, board, chalkboard, class, classroom, education, educational, explain, explaining, math, mathematics, number, numbers, point, pointer, pointing, prof, professor, rod, room, school, science, speak, speaking, stand, standing, teach, teacher, teaching, woman