A thoughtful girl looking at math problems on a blackboard
Palabras clave
girl,
female,
thoughtful,
look,
mathematic,
problem,
chalk,
blackboard,
male,
person,
teenage,
head,
classroom,
cognition,
academic,
research,
discovery,
pensive,
clever,
remember,
emotional,
calculation,
reverie,
looking,
expression,
face,
youth,
emotion,
youngster,
being,
environment,
culture,
mathematic,
formula,
complex,
equation,
science,
education,
student,
thinking,
smart,
curious,
concentration,
intelligence,
idea,
genius,
room,
school,
accommodation
){kind=link}