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Two scientists make handshake closeup with mathematical equations on chalkboard. Super slow motion.
Two smart scientists, male and female, make handshake closeup with mathematical equations on chalkboard. Super slow motion.
Man writes equation on chalkboard
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!
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!
Closeup of woman hand holding piece of chalk in hand. Unknown student writing equation on chalkboard in classroom. Macro of unrecognizable person doing mathematics equation on blackboard.
Macro of woman hand holding piece of chalk. Closeup unrecognizable female person writing math simple equation on chalkboard. Student solving mathematical example on blackboard. Study concept
Medium shot of middle-aged teacher of mathematics standing at blackboard with equations written on it and explaining topic to students during lecture at 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.
Medium shot of black male student standing at blackboard and looking at equations written on it when answering teacher’s questions
Attractive female college or high school student using a smart phone while writing a chemical equation on a chalkboard in a classroom - slow motion push in stabilized shot
Rear view of man against chalkboard with math formula equations. He think about solution and try to understand high university task.