Dolly-in portrait shot of smart male mathematician with serious expression on his face standing with his arms crossed before blackboard with complex calculus formulas
Portrait of intelligent young boy solving complex calculus equation
Dolly-in shot of cheerful male university professor standing before blackboard with complex calculus formulas and posing for camera with his hand on chin
Dolly-in portrait shot of male Arab professor standing against blackboard with complex calculus formulas and smiling for camera
Portrait of schoolchildren posing with complex calculus formulas
Intelligent girl in glasses solving math problems with raised hand
Portrait of schoolchildren with complex calculus formulas, giving thumbs up
Portrait shot of cute girl with blond hair holding books and posing against blackboard with complex calculus formulas
Intelligent young girl excels in math, raising hand by blackboard
Dolly-in shot of male Arab university professor solving complex calculus problem on blackboard, then turning towards camera and smiling
Medium shot of female university professor solving complex calculus problem on blackboard
Rear view of male university professor solving complex calculus problem on blackboard