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Young, smart, clever, handsome male teacher or student in glasses explaining decision of hard math equation. He prove the theorem
Woman's fingers erasing math equation
Portrait of young smart clever woman teacher lecturer standing with chalk board full of math equations at background. Lady sure in herself with crossed arms and smile a little. Glidetrack
Young handsome male teacher or student in spectacles explaining decision of hard math equation. He prove the theorem and want to invite You to study in university. 4k UHD
MS Rear view of man writing math equations on blackboard
Portrait of scientist man with mathematical equations background. He put on his glasses and smile at camera. Clever and smart teacher lecturer concept. Let's study!
Rear view of man against chalkboard with math formula equations. He think about solution and try to understand high university task.
Two young handsome successful scientists in formal suit and tie, spectacles and medical gown writing, discussing and analyzing math equations on a chalk desk board. Handy life camera. Close-up.
Portrait of scientist man standing near mathematical formula, equations. He put on his spectacles and looking serious. Clever and smart teacher lecturer concept. Let's study!
A math professor teaching in university
Two young successful modern scientists in formal suit, glasses and medical gown writing, discussing and analyzing math equations on a chalk desk board. Middle static shot.
A math professor teaching in university classroom