Vista lateral de colegiala resolviendo problema de matemáticas en pizarra blanca en el aula - Foto e imágenes de stock

Side view of schoolgirl solving math problem on whiteboard in classroom

Side view of African American girl solving math problem on whiteboard in classroom

Side view of young businesswoman writing on whiteboard in office

Thoughtful girl looking away while sitting with hand on chin at classroom desk

Portrait of happy schoolgirl with felt tip pen standing by whiteboard in classroom

Thoughtful African American girl with hand on chin sitting at classroom desk

Girl with felt tip pen coloring at table in house

Portrait of African American schoolgirl carrying books and backpack in classroom