Profesora mirando la cámara y señalando con el dedo la ecuación matemática en la pizarra en clase - Foto e imágenes de stock

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Cheerful senior woman pointing whiteboard while standing at the classroom

Female teacher pointing with finger at mathematical equation on chalkboard in class

Male teacher in formal wear wiping mathematical equations with sponge in classroom

Male teacher wiping mathematical equations with sponge from chalkboard in classroom

Male teacher in formal wear writing equation on chalkboard in maths class

Young african american teenager writing on white board

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Male teacher sitting at desk, pointing finger in air and explaining equations in maths classroom

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Pensive male teacher touching chin and solving equation on chalkboard in class