2024071520
academic
algebra
background
birthday
blackboard
board
chalk
chalkboard
class
classroom
college
concept
congratulation
creative
education
event
female
greeting
hand
handwriting
happy
knowledge
learning
lecture
lesson
math
message
physics
problem
professor
research
school
science
september
smart
solution
solving
start
student
study
studying
surprise
task
teacher
teaching
text
theory
university
writing
定額
Close up of woman hand writing text happy birthday on chalkboard, professor writes on blackboard or student solving task. Education and science concept.の素材 [FY310234108236]
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